Commit Graph
100 Commits
Author SHA1 Message Date
Colby McHenryandClaude Opus 5 ac9580544b Merge codegraph ui — the browser viewer (CG-39, CG-48, CG-56)
Three epics, 20 tasks, landing as one subsystem.

CG-39 (phase 1, the reader): loopback-only read-only server behind
`codegraph ui`, a read-only JSON API over the index, the Symbol view
(callers | gutter-ported source | line-anchored callee rail), the search
palette and trail, and the File view.

CG-48 (phase 2, the map and the flow): the module-granularity Map, the
Flow strip over one shared path finder, the "where the graph stops" end
cap, the whole-file source view with intra-file call arcs, live refresh
over SSE, the entry-points panel, and SVG/PNG export.

CG-56 (phase 3, depth and a library): syntax classification taken off the
engine's own tree-sitter parse (retiring Shiki and its 56 bundled
grammars), the type hierarchy, dead code and islands, saved trails, and
ui/ packaged as @colbymchenry/codegraph-ui.

Two derivations were lifted out of ToolHandler into src/graph/ so the
viewer and codegraph_explore can never draw different answers from the
same graph: named-symbol-flow.ts and dynamic-boundary-report.ts.

Saved trails are the viewer's only write. The loopback boundary gained a
write shape (POST/DELETE under /api/ carrying x-codegraph-ui, no CORS
headers ever) rather than being widened; `--read-only` turns it off.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 09:06:03 -05:00
Colby McHenryandClaude Opus 5 47576b392e feat(ui): saved trails — a walk you named, kept, and still true after a re-index (CG-60)
Save trail on the trail bar writes the walk to .codegraph/ui/trails/ as one
JSON file, listed on the empty screen and on Entry points above the derived
suggestions, reopened at the symbol you left with the whole path restored.

A hop is stored by qualified name, kind and file — never by node id, which
contains a start line and so changes the first time anybody edits above the
symbol. Every hop is re-resolved against the current index on the way out and
each row says what became of it: still here, moved to another file, now
ambiguous, or gone. A hole is never stitched over: the row opens the longest
run of CONSECUTIVE resolved hops and says which ones those are, because the
trail is a path and a skipped hop would draw a call that does not exist.

This is the first write the viewer makes, and the boundary moved with it:
POST/DELETE answer under /api/ only, must carry X-CodeGraph-UI and
application/json (neither of which a cross-origin form can produce without a
preflight this server answers none of), and --read-only refuses both while
still listing what is there. The blanket "read-only" claim is retired from the
banner, the README, the CLI help and the docs site in favour of the narrower
true one.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 08:31:48 -05:00
Colby McHenryandClaude Opus 5 55a33055ee docs: say what findDeadCode returns, and where the list worth acting on is (CG-59)
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 07:57:25 -05:00
Colby McHenryandClaude Opus 5 56dfdb0655 feat(ui): dead code and islands — what nothing reaches, and everything that could still reach it (CG-59)
A Dead code screen and a mark on the Map, both drawn from one derivation in
src/graph/dead-code.ts so a second surface can never disagree with the first.

The SQL half is four lines — no incoming edge but `contains`. It returns ~2 500
candidates on this repository and the shipped list is 20; everything in between
is the feature. A candidate is dropped the moment there is any reason to believe
something outside the graph reaches it: exported symbols and header
declarations, test and generated files, abstract and interface members, anything
carrying a `decorates` edge, overrides of an ancestor's member, names the
language calls by itself, vendored directories, files nothing in the index
reaches (those are islands, and the Map says so instead), names the resolver
failed to resolve somewhere, and names shared with a symbol that IS referenced —
the mis-resolution that leaves a used method with a self-edge and its twin with
nothing. The last rule is the only one that is not a graph query: before a claim
is made, the declaring file and every file that reaches it are read and the
identifier counted, which is what catches the references the extractor never
recorded (`this.handleMessage.bind(this)`, a call inside an object literal, a
shorthand property).

Every subtraction is counted and printed under the list with the scale it came
from, and the caveat line above it never collapses: the claim is "no static
reference in the index", not "unused".

On the Map a module nothing depends on keeps its stroke and says so in its count
line, and tool-generated files and modules recede to ink-4 there, in the map's
file list, in search results and on the file screen.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 07:57:00 -05:00
Colby McHenry 2a0c6dc58f feat(ui): the type hierarchy — what a type is built on, and what dispatches through it (CG-58)
A vertical tree above the members outline for classes, interfaces, structs,
traits, protocols, enums, unions and type aliases: ancestors above (the whole
chain, not just the direct parent), the focus in accent, subtypes below indented
per level. `extends` draws solid, `implements` dashed; a synthesized edge — Go's
implicit interface satisfaction — draws dashed wider and carries the site it was
wired at, so a relation the resolver inferred never reads like one the source
wrote down. For an interface the fan below IS the set of runtime targets a call
can land on, and a type with eight or more implementers leads with that in a
sentence. Members that redeclare an ancestor's are marked in the outline.

The walk lives in `src/graph/type-hierarchy.ts`, following CG-50/CG-51: shared
computation in `src/graph/`, presentation in the caller. Its `countImplementers`
is now also what `ToolHandler.buildPolymorphicBoundaries` counts with, so "N
types implement X" is the same N whether an agent reads it or a person does.
`/api/node` carries the block as `hierarchy` rather than a second endpoint —
it is part of the Symbol view's first paint, and gated to types, so a function
costs one kind test.

Layout is arithmetic (24px rows, 22px indent, orthogonal connectors computed
from the two): no ResizeObserver, same payload → same picture. The header's
`extends X` / `implemented by …` chips are suppressed while the tree is on
screen — two renderings of one relation in one column is how a reader ends up
trusting neither.

`TypeHierarchy` is exported from `@colbymchenry/codegraph-ui` and takes its data
as a prop, so a host holding a `WireSymbolPayload` renders it without a second
read.
2026-08-27 07:14:55 -05:00
Colby McHenry c15413f200 feat(ui): the viewer's screens as @colbymchenry/codegraph-ui, behind one adapter (CG-61)
`ui/src` now builds two ways from one tree: the static app `codegraph ui`
serves, and — via `svelte-package` — a Svelte library the Pro app imports.
A forked component would be a second answer to the same question about the
same graph, so there is no fork.

Everything a screen knows arrives through a `GraphAdapter`: eleven methods
answering the wire shapes verbatim, with `createHttpAdapter()` (the loopback
JSON API) as the default and a host's in-process engine reads as the point.
`lib/api.ts` became a one-line-per-call facade over it, which is why no call
site in the views changed. The payload types moved to `lib/wire.ts` — no
imports, no runtime — so a host can depend on the vocabulary alone.

Two more seams and one guard:

- `lib/navigation.ts` holds the href builders behind a `NavigationDriver`, so
  a host addresses its own URL space. The app's half — the hash parser and the
  live route, which attach window listeners at module scope — stays in
  `router.svelte.ts` and is pruned out of the package: rendering a Symbol view
  must not install a hash router in somebody else's application.
- `lib/theme.css` carries the design tokens and maps Svelte Flow's `--xy-*`
  variables onto them, so a host never sees library defaults. Dark now also
  answers to a bare `[data-theme]`, which is how `<CodegraphUi theme>` themes
  a container rather than the document.
- `scripts/check-ui-package.mjs` prunes the app's shell, resolves the
  extensionless specifiers svelte-package leaves behind, and asserts that
  nothing but `lib/adapter.js` reaches the network.

The search box, its keyboard and its panel are one component now
(`SearchPalette`), because splitting them is what breaks a palette.

`__tests__/ui-package.test.ts` mounts the three screens from the package entry
against a mock adapter in jsdom; it runs as a second vitest project so the
`browser` resolve condition it needs cannot reach the engine's suites.

Versioned with the engine. Prepared, not published: `private: true` is the
guard and `pack-npm.sh` only packs a tarball under CODEGRAPH_PACK_UI=1.
2026-08-27 06:52:57 -05:00
Colby McHenry ad91c8fdd8 feat(ui): classify code from the engine's own tree-sitter parse, retiring Shiki (CG-57)
The viewer ran a second highlighter over source the engine had already parsed
with a real grammar: Shiki, plus 56 pruned TextMate grammars shipped in
dist/textmate/. The classification now comes off that tree instead, so a file is
read by exactly the grammar that decided what its symbols are.

The swap is complete rather than flagged: @shikijs/core, @shikijs/engine-javascript
and @shikijs/langs are off the dependency list, scripts/prune-grammars.mjs and
`npm run build:textmate` are deleted, and check-ui-build.mjs asserts the
tree-sitter grammars in dist/extraction/wasm instead of dist/textmate.

The wire contract is unchanged — `[classId, text]` pairs with the class names
alongside — so the viewer's decoder and code blocks did not have to be rewritten.
Two classes are added to the six: `type` (a named type reference, painted at
plain ink) and `def` (the name a definition declares, weight 600), the latter
taken from the extractors' own definition tables so it cannot drift from what
indexing calls a definition.

Three differences are not cosmetic:

* Interpolations (`${…}`, `#{…}`, `$"{…}"`, f-strings) are classified as code,
  not as string. The call-site overlay refuses to claim a token classed string,
  so calls written inside interpolated strings now link.
* Built-in type words are emitted whole and classed `type` in every language.
  The grammars disagree about whether `string` is a type_identifier or an
  anonymous token inside a predefined_type, and TextMate scoped them
  inconsistently too.
* 3 000 lines of TypeScript cost 24-41 ms instead of ~700 ms.

Given up deliberately: Liquid, Razor, YAML, Twig, XML and .properties render
plain. .svelte/.vue/.astro are classified through their <script> blocks, the same
delegation the SFC extractors do. Pulling html/css/vue out of tree-sitter-wasms
would cover them, but those ABI-13 builds are the known cause of shared-WASM-heap
corruption for every other language in the same process.

Measured parity, per-language before/after screenshots and the reproduction
recipe: docs/design/cg57-highlighting-parity.md.
2026-08-27 06:22:11 -05:00
Colby McHenry 8ac0138940 feat(ui): copy the flow or the map as an image, for a PR comment or a README (CG-55)
"Copy image" and "Download SVG" on the Flow strip's header and in the Map's
side panel. The image is the distribution loop: a flow pasted into a review, a
map pasted into a README, read by somebody with no viewer open.

The exporter serialises the LAYOUT OBJECT rather than scraping the DOM — no
html-to-image, no foreignObject, no new dependency. buildFlowLayout and
buildMapLayout already compute every rectangle, port and curve before a
component renders, so the image and the screen come from one piece of
arithmetic and cannot drift apart, and the whole exporter is a pure function a
test runs with no browser. Output is presentation-only SVG (rect, line, path,
polygon, text, tspan, clipPath) — no script, no external reference, no data:
URL — which is what GitHub's sanitiser accepts in a README.

Light theme is forced whatever the viewer is set to: a dark strip on GitHub's
white comment background reads as a mistake, not a preference. 24px of paper
around the drawing, a caption naming the path or the root at the bottom left,
a CodeGraph mark at the bottom right.

Fonts travel as family stacks, not bytes (spec). An SVG loaded as an image may
not fetch a webfont, so a raster falls back to the platform's own monospace —
every fallback in the stack advances at ~0.6em like IBM Plex Mono, so the code
grid survives and only the letterforms change. Text is truncated
arithmetically with an ellipsis and clipped as well, so a wider fallback
cannot spill a source line out of a card.

`scale` multiplies only the root width/height while the viewBox stays in CSS
pixels, so the raster draws an image whose intrinsic size is already 2x
instead of upscaling a 1x bitmap. The clipboard write uses the ClipboardItem
promise form (Safari discards the gesture across an await) and falls back to
downloading the PNG, saying which happened rather than claiming a copy it did
not make.

Measured on this repo: execute -> rowToFileRecord (8 hops) exports 3690x253
CSS px, 491 kB PNG at 2x / 38 kB SVG; the 16-module map reproduces the canvas
exactly — 16 boxes, 52 links, 9 layer rules, both band labels, and with
src/index.ts selected 15 links and 4 dimmed boxes.
2026-08-27 05:41:34 -05:00
Colby McHenryandClaude Opus 5 94f4e287e6 feat(ui): entry points — routes, executable files and tests as flow starting points (CG-54)
`#/entry` answers "where does anything start" at full length, and turns any row
that names a symbol into a flow.

Server. `/api/entrypoints` gains `frameworks` (from `getDetectedFrameworks`), a
`tests` list, a `routes` limit of its own, and a cache keyed on the index build
— nothing here is read from disk, so unlike `/api/source` a cached answer cannot
be stale about drift. `routes.items` is now a `WireList` like every other list on
the payload.

Routes carry where the URL is REGISTERED as well as where it is served:
`getRoutingManifest` selects the route node's id, file and line, and
`buildRoutes` splits the verb off the name against a fixed list (never "the
first word", which would take the head off a file-routed `/blog/[slug]`). All
four payroll-go routes register in one router file and three are served from
another — group by the handler file and one router becomes two groups plus an
orphan.

`isTestFile` is split into `isTestPath` (test filename and directory
conventions) + the non-production catch-all, byte-identical at every existing
call site. The Tests list uses the narrow half: an example, a benchmark or a
fixture is off-target for ranking but is not a test, and a heading that says
"Tests" must not quietly count them. Tests rank by REACH — distinct other files
touched — because Go, Rust and Java put test work inside functions where a
module-level-calls ranking sees nothing. Two read-only engine queries make that
affordable: `getFileReachCounts` (the mirror of `getFileDependentCounts`, driven
from `nodes` by path so the cost follows the files asked about rather than the
edge table) and `getFileNodes`.

Viewer. `ui/src/lib/entry-model.ts` folds the four lists into file groups —
pure, and `panel.rows` stays exactly the sections it draws. `EntryView` +
`EntrySection` render them with the caller rail's `.filegroup` / `.row` shapes
rather than a second visual language for the same idea. A row that names a
callable symbol carries a `Flow ›` chip; the other end is typed or picked with
`→ here` on another row. File and test rows carry none: `/api/flow` searches by
name, and a file has none the path finder can look up.

A project with fewer than three resolvable routes gets no Routes heading at all,
not an empty one. Typing into the search box now also returns matching entry
points under their own heading below the symbol matches, so a URL comes back
with its handler attached; rows already in the results are dropped.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 05:20:15 -05:00
Colby McHenry dc7f1e590e feat(ui): where the graph stops — the Flow strip's dynamic-dispatch end cap (CG-51)
A flow that does not reach what it was asked about now ends in a cap instead
of in silence: the dispatch form that ended it, the line, the static key when
the source spells one out, the candidate runtime targets as clickable rows,
and the name-only matches under 0.6 the search refused to follow. A flow that
does reach its destination never shows one.

The verdict is lifted out of `ToolHandler` into
`src/graph/dynamic-boundary-report.ts` and both callers render it —
`codegraph_explore`'s prose and `/api/flow`'s `WireFlowBoundary` — the same
move `named-symbol-flow.ts` made for the path finder, and for the same reason:
a reader holding the strip and the MCP answer must not be told two different
things. The explore prose is unchanged, byte for byte.

When nothing connects at all and a dispatch site explains why, the strip is
that site: one card opened at the line where the static path ends, plus the
cap. When nothing explains it, no stopping point is invented.
2026-08-27 04:54:37 -05:00
Colby McHenry ecd6e1cd15 feat(ui): live refresh and drift banners — the viewer keeps up with the project (CG-53)
`GET /api/events` is a server-sent-event stream the viewer holds open for the
life of the page. Two signals, two things the browser could not know:

  changed  source files touched on disk, before any sync — the drift banner
  index    the graph moved, naming what the sync re-indexed — the live refresh

The server WATCHES and never syncs: the project tree through the engine's own
FileWatcher with a notify-only syncFn, the index through one non-recursive
fs.watch on the data directory settled at 400 ms. Both start with the first
subscriber and stop with the last, so a viewer nobody has open costs no watch
descriptors. Nothing polls, on either side.

Drift is now parity with codegraph_node (#1474) rather than an absence.
`/api/source?ondrift=current` serves a drifted file's CURRENT bytes flagged
`showing: 'current'`, and the three screens that can say so switch off
everything anchored to the old line numbering — gutter ports, call-site links,
call arcs, the callee rail's anchoring — while keeping the source. The banner is
paper-2 with a hairline rule, never amber: amber belongs to the untested badge.

Also fixes a stale read this exposed. A long-lived reader holds an LRU of nodes
by id that only its own writes invalidate, so `/api/node/<id>` kept answering
with a symbol another process's sync had deleted while `/api/search` beside it
said it was gone. GraphSession now drops the read caches when the database (or
its WAL) has been written, and the Symbol view follows a symbol whose id changed
because an edit above it moved its start line, carrying the trail across.

Measured on a live viewer: banner 360 ms after a save, toast 440 ms after
`codegraph sync` returns, 0 requests in 4 idle seconds, and the client gives up
reconnecting after ~90 s with "Not live" rather than hammering a dead port.
2026-08-27 04:28:56 -05:00
Colby McHenryandClaude Opus 5 bd99c5e99a feat(ui): the whole file — full source with gutter ports and intra-file call arcs (CG-52)
The File view gains a Source tab: the file itself, top to bottom, with the
Symbol view's line grid, gutter ports and call-site links, a line-anchored
callee rail, and — in the left margin — an arc for every call that stays inside
the file, drawn from the calling line to the callee's definition line.

The arcs are the point. Source order is already a layout, chosen by whoever
wrote the file, so a file's internal call structure can be drawn with no
algorithm placing anything. Crabviz's idea, in the one place it is legible.

Everything is arithmetic, not measurement. The Symbol view queries the laid-out
DOM to place a callee row beside its line; a 6 820-line file cannot afford that.
Here a line is exactly 20px at `10 + (n - 1) x 20`, so ~90 line elements exist at
a time and the arcs, ports, rail rows and connectors are all functions of a line
number. `src/mcp/tools.ts` scrolls at a 16.6ms median frame.

- `GET /api/filecode/<path>` — outline, one call group per (caller, callee) PAIR
  with its call-site lines, unresolved references, and the file's length. The
  source is NOT in it: it pages through `/api/source` 800 lines at a time with a
  discarded 150-line lead-in, so a page starting inside a block comment does not
  render prose as code, and so the ports and arcs are complete from the first
  frame while the text fills in behind them.
- `intraFileCalls` is counted over the groups actually returned, so the header
  and the picture under it cannot disagree once a cap bites.
- Above 40 arcs the diagram narrows to the symbol under the pointer (or the one
  the scroll position is inside) and the header states the total. Accent is for
  the pointer only, never for the filter.
- Sticky outline rail at >= 1400px, following the reader down the file.
- `QueryBuilder.getUnresolvedReferencesInFile` — one indexed lookup instead of
  one per symbol; `buildOutlineEntries` lifted out of `/api/file` so both
  readings of a file draw the same rows.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 03:47:42 -05:00
Colby McHenryandClaude Opus 5 62e0a89b0e feat(ui): the Flow strip — how one symbol reaches another, one card per hop (CG-50)
Ask "how does execute reach getFile" in the search box and the viewer draws the
call path between them, left to right, opening every card at the exact line that
makes the next call. Dynamic-dispatch hops are dashed and name the site they
were wired at; "Read as flow" turns a trail walked by hand into the same strip.

The path finder is NOT new. `codegraph_explore` already leads its answers with
the longest call chain among the symbols an agent named, and a viewer that drew
a different path would get the two quoted against each other in a review. So the
search moved out of `ToolHandler` into `src/graph/named-symbol-flow.ts` and both
callers ride it — same tokens, same overload rules, same synthesized edges. What
stayed behind in `tools.ts` is the prose.

A pinned from/to question is the same search with two options changed, because
both ends being named is the evidence explore's one-unnamed-bridge cap stands in
for: it bridges freely, keeps twelve candidates per endpoint instead of six
(the CLI's own `main` sorts seventh of ten), and searches from both ends at once
— identical paths to the one-way walk on twelve measured pairs, 3-6x faster.

`/api/flow` is deliberately the one endpoint with no cache: its cards carry
source read from disk, and a drift verdict changes without the index changing.

Verified on this repo (`execute` to `rowToFileRecord`, 8 hops; `main` to
`resolveOne`, 7) and on a fresh excalidraw index, where `mutateElement` to
`renderStaticScene` crosses callback, react-render and jsx-child hops and lists
exactly the hops `codegraph_explore` prints.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 03:19:24 -05:00
Colby McHenryandClaude Opus 5 6d0f60f32c feat(ui): the Map — the repository at module granularity, layered from the graph (CG-49)
`GET /api/map` rolls the whole edge table up to module granularity in one
`GROUP BY`, and the Map tab draws it: one box per directory, dependencies
pointing down, nothing placed by hand.

Two decisions carry the screen.

The vertical order rests on each link's `declared` weight — the edges resolved
through an import, a qualified name, an inheritance clause or a typed receiver —
not on its raw count. Bare name matching resolves `run`, `push` and `finish`
across unrelated directories, and layering on raw counts put `src/db` directly
under `src/bin` on this repository's own index. On declared edges the same data
reproduces the pipeline CLAUDE.md describes, with a third of the mutual pairs.
When too few links carry a declared edge to describe a project, the layout falls
back to raw counts and the side panel says so.

And the aggregation is a single scan. Grouping by the symbol names as well as
the modules costs nothing extra — the join is what is expensive — so one query
yields both the link weights and the tooltip's symbol pairs. Measured against
this index inflated to 800k edges: 1.28s for one scan against 1.89s for two,
which is the difference between meeting and missing the cold budget on a
ten-thousand-file repository. Cached answers come back in ~3ms.

Nothing is dropped silently: thin links are hidden until a module they touch is
selected and counted in the panel, uncertain references are excluded from every
number on screen and the total is printed, and mutual dependencies, module loops
and file-level circular imports are listed rather than straightened away. An
edge that still points up after layering is drawn dashed on selection instead of
being reversed or removed.

The layout — cycle-breaking, longest-path layering, barycenter ordering, ports —
is a pure function of the payload in `ui/src/lib/map-model.ts`, so the tests
toggle and the selection cost no round-trip and the same project always draws
the same picture. Svelte Flow supplies pan, zoom and fit; never a layout.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 02:38:24 -05:00
Colby McHenry a1dfa72cac docs: the codegraph ui section, changelog entry and telemetry posture (CG-47)
A new user can now reach the viewer from the README alone: a "Read your
graph in the browser" section with a screenshot re-shot from the real
build, a step 5 in Get Started, a CLI Reference row, and the same
content as a docs-site guide.

- README: new section (what the three columns are, the options, the
  privacy posture), Contents entry, Get Started step 5, CLI row.
  Screenshot at assets/codegraph-ui-symbol-view.png, version-tagged ?v=1.
- CHANGELOG: an [Unreleased] New Features entry in the user-facing voice.
- codegraph help ui: mentions the `web` alias, says what the screen shows,
  and states that nothing is sent anywhere.
- TELEMETRY.md: the viewer has no telemetry of its own and makes no
  outbound connections; the only thing recorded is the command name in
  the daily rollup, which every off-switch already suppresses.
- site/: guides/viewer.md + sidebar entry, a `ui` section in the CLI
  reference, and a link from Next Steps.
2026-08-27 01:51:41 -05:00
Colby McHenryandClaude Opus 5 58dad12f89 feat(ui): the File view — outline in source order between two dependency rails (CG-46)
Clicking a file path now opens the file itself: what reaches into it, its
symbols in source order, and what it reaches.

The two rails count DEPENDENCIES, not import statements. The prototype drew
`imports` edges; on this repo `src/graph/traversal.ts` imports two files and
depends on four, because it reaches the LRU cache through a call no import
names. A rail headed "Imports 2" would be quietly wrong about what changing the
file would touch, which is the only question the screen answers — so the rails
read `getFileDependencies` / `getFileDependents` and merge the import rows in
for the symbol names. Imports that resolved to nothing indexed keep their own
section rather than vanishing.

The outline is windowed above 250 rows against a fixed 28px row: this repo's
own fixtures hold a 1,681-symbol `.d.ts`, and paging it would hide the one
thing an outline is for. `src/mcp/tools.ts` draws its 135 rows whole.

`/api/file` gains `topLevel.calls` — module-level calls out of the file node —
so a file that RUNS something offers the badge that opens it as a symbol, the
only place code belonging to no symbol can be read.

File results in the search palette and the entry-point list now land here
rather than on the file node's Symbol view.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 01:43:00 -05:00
Colby McHenry 2ad836d935 feat(ui): highlight source server-side with a near-monochrome Shiki theme (CG-43)
The viewer's code block stops lexing with a hand-rolled dialect table and
reads real TextMate grammars instead, run once in `/api/source`.

Three things make that safe to depend on:

* Highlighting never fails a request. A missing grammar, an oversized
  slice, an ESM import that did not resolve — every one of them answers
  `engine: 'plain'` with a reason and the source still goes out.
* Identifiers survive whatever token boundaries a grammar chose. Every
  code token is split into identifier runs before it goes on the wire, so
  the graph's call-site overlay claims a token the highlighter produced
  rather than re-cutting the line. `assignRefs` now matches on a token's
  text rather than on the class a grammar gave it, so a language that
  scopes type names as `storage.type` still links.
* The theme classifies rather than colours: its foregrounds are sentinels
  the server maps back to class names, and the viewer paints them from
  CSS custom properties — one token stream serves light and dark with no
  refetch, and the ramp lives only in app.css.

Comments move from --ink-3 to a new --code-comment. --ink-3 measures
3.46:1 on paper and 3.00:1 on the hot-line tint, both under AA for 12.5px
text; --code-comment is the smallest step along the same ramp that clears
4.5:1 on every background a code line can have, and stays quieter than
the strings and numbers above it.

Shipping: @shikijs/core and @shikijs/engine-javascript are runtime
dependencies (no wasm, no native module); @shikijs/langs stays a
devDependency and `npm run build:textmate` writes only the closure the
engine's 40-odd languages reach — 56 grammars, 2.6 MB, against 11 MB for
all 722. check-ui-build.mjs asserts the tree after every build and inside
every release archive.
2026-08-27 01:23:10 -05:00
Colby McHenryandClaude Opus 5 87afc50e76 feat(ui): the search palette, entry points and a trail that survives the URL (CG-45)
Search: `/` or ⌘K focuses the box; results arrive grouped by kind with their
glyph, signature and file:line, ↑/↓/Enter walk them, Esc dismisses. A group
appears where its best result did, so flattening the groups reproduces the
ranking the keyboard walks — the panel's flat item list IS that concatenation.
A flow question ("how does X reach Y", "X -> Y") is recognised and searches
both endpoints with a note, rather than offering a row that would land on the
phase-2 Flow view.

Entry points answer "where do I start" on the empty screen and in the resting
palette, all derived from the graph: routes, files that run something at module
level (the engine records a top-level statement as an edge out of the file node,
which is what makes src/bin/codegraph.ts the root of the CLI flow — ranked by
calls x the files they reach, so a registration table calling into itself does
not outrank the CLI), and the most depended-on symbols. Tests are excluded from
both derived lists.

Trail: hops record the direction they were walked (→ into a call, ← up to a
caller), clicking one truncates back to it, Clear keeps the place instead of
throwing it away, and the whole walk travels in the URL. A shared or reloaded
trail arrives as ids, so hops learn their names back through a new batch
endpoint and a session name cache — without it, walking back across a
truncation redrew earlier hops as raw hashes. "Read as flow" stays hidden until
there is a Flow view to send it to.

New endpoints: /api/entrypoints and /api/nodes. New engine reads:
getTopCallingFiles, getFileDependentCounts.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 00:54:18 -05:00
Colby McHenryandClaude Opus 5 e9596af1cf fix(ui): keep a callee row hidden until the rail has been measured (CG-44)
A row's position comes from measuring the laid-out DOM, so between Svelte
creating it and the first relayout it has no place to be. Drawing it at
top: 0 stacks the whole rail at its head for a frame; keeping the previous
symbol's coordinates is worse. It stays invisible until it has been placed.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 00:12:07 -05:00
Colby McHenryandClaude Opus 5 5cecaabfc2 feat(ui): the Symbol view — callers, gutter-ported source, line-anchored callee rail (CG-44)
The core screen of `codegraph ui`: who calls a symbol on the left, its
verbatim body in the middle with a port on every line that has an outgoing
edge, and what it calls on the right — each callee row placed beside the line
that makes the call, with a hairline connector between them.

The callee rail is the part that is not a list. A row wants to sit at the
centre of its first call-site line and is pushed down only when that would
collide with the row above, so the rail keeps source order; the connector
still runs to the real line, so the displacement is visible rather than
silent. Positions come from measuring the laid-out DOM, so they are
recomputed on resize, on font load and whenever a fold opens.

Honesty is carried in the drawing, not in a footnote: a filled port means the
resolver matched something on that line and a hollow one means it only
guessed; uncertain connectors are dashed and their targets fold away behind
their count; synthesized edges are dashed differently and tagged with the
mechanism that made them; references that leave the index are text with a
soft underline rather than links to nowhere, and they are counted. Long
bodies keep their head plus a window round every call site — windowed on
graph edges only, since a function calling `console.log` two hundred times
would otherwise window round every line and buy nothing. Containers over 80
lines show a members outline with per-member fan-in/fan-out instead of 700
lines of braces.

Two small additions to the read-only API this needed:

* `/api/node` gives every outline member its own fanIn/fanOut (two batched
  queries for the whole outline). A class's own fan-out is nearly always
  zero because its methods do the calling, so without these the outline
  cannot say which member carries weight.
* `/api/stats` gains `blastScale` — the denominator the blast bar is drawn
  against, so one symbol's radius reads as wide or narrow *for this repo*.
  It is measured across the index's 24 most-depended-on symbols (found with
  a new `getTopDependedOn`, distinct dependents rather than edges), memoised
  against the index stamp, and reported as sampled; a symbol wider than the
  sample becomes the scale instead of overflowing the track.

Verified against a real index in a real browser: parity with the prototype on
`CodeGraph.sync` (259 lines, 27 callee rows, no overlaps), `GraphTraverser`
(20-member outline), a 773-line function (26 windows, 78 connectors), light
and dark, hover linking in both directions, keyboard-only navigation, and
reflow on resize and on fold toggles.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 00:09:47 -05:00
Colby McHenryandClaude Opus 5 e7288ffa36 test(ui): pin CRLF source slices to the index line numbering (CG-42)
A CRLF file must come back with the graph's own line numbers and without a
trailing carriage return on every line — the case a Windows checkout with
core.autocrlf produces. It is decided by bytes rather than by the OS, so it
is covered here rather than only on the VM.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-26 23:34:44 -05:00
Colby McHenryandClaude Opus 5 951ba3678a feat(ui): read-only JSON API over the index for the viewer (CG-42)
Six endpoints under `/api/`, one per screen, each answering in a single
round-trip in the spirit of `codegraph_explore` — the viewer should never
have to ask a follow-up question to finish drawing a pane:

    /api/stats                     index state, graph counts, frameworks
    /api/search?q=                 ranked, kind-grouped symbol search
    /api/node/<id>                 rails, members, tests, blast radius
    /api/source?file=&from=&to=    verbatim source + a drift verdict
    /api/file/<path>               outline and import rails
    /api/routes                    URL -> handler, when there is one

It is a reader of the existing schema: no extraction or resolution changes.
It mounts on the `api` seam `startUiServer` already exposed, so it sits
behind the CG-41 loopback boundary — Host allowlist, no CORS headers,
GET/HEAD only — and every read out of the repository goes through
`resolveProjectFile`, ahead of the index lookup so a traversal is refused
as a traversal rather than reported as "not indexed".

Three properties the endpoints are built around:

- No N+1. The engine's busiest symbol has 545 incoming edges; resolving
  those one `getNode` at a time is 545 queries. Every edge list is
  resolved with one batched lookup, which needed four additive read-only
  query methods (`getNodesByIds`/`getFanIn`/`getFanOut` on `CodeGraph`,
  plus batched outgoing/incoming edge fetches and unresolved-reference
  reads). `/api/node` on `LRUCache.get` answers in ~10 ms.

- Capped lists, honest totals. 545 callers cannot all be rows, so caller
  groups cap at 300 — but `total` is always the real number, and the
  ordering puts the useful end first (same file, then production code,
  then tests). Every count in the payload is the length of a list the
  same payload returns, so a badge and its rail cannot disagree.

- Nothing overclaims. Source that drifted on disk since the last index
  sync is omitted rather than sliced at line ranges that may now point at
  a different symbol; calls that leave the index are counted instead of
  silently shortening the callee rail; imports that never resolved are
  named; and a test-coverage claim reports whether its search actually
  finished. `/api/routes` says a project simply is not routed, and
  refuses a `limit` below three because the engine's manifest would
  answer that question wrongly.

Tests: 45 against a real indexed fixture over a real loopback server,
covering every endpoint's shape, the drift verdict in all three places it
surfaces, search ranking and the filter grammar, the refusals, and the
capping/latency behaviour at 500 callers. The issue's own acceptance case
— `lru-cache.ts` `get` under 100 ms — runs against this repo's index when
one is present.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-26 23:33:30 -05:00
Colby McHenryandClaude Opus 5 41a90c6ba4 fix(ui): keep the viewer's printed copy readable on a legacy Windows console
The 'no index' guidance carried a literal em dash and the banner an ellipsis.
A Windows console on an OEM codepage decodes raw UTF-8 as mojibake (#168),
which is exactly what getGlyphs() exists to avoid — seen on the VM. Guidance
now takes its dash from the glyph set; the banner uses a plain '...'.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-26 16:23:01 -05:00
Colby McHenryandClaude Opus 5 bcfe52efa5 fix(ui): launch a CODEGRAPH_BROWSER override through cmd on Windows
CreateProcess — which node's spawn uses without a shell — only launches a real
.exe, so a `.cmd`/`.bat` browser shim (how most Windows wrappers are written)
silently launched nothing. Routing the override through `cmd /c`, the way the
default `start` opener already goes, makes .exe, .cmd and .bat all work and
keeps node's per-argument quoting so a path with spaces survives.

Caught on the Windows VM.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-26 16:20:54 -05:00
Colby McHenryandClaude Opus 5 0196c2e53a feat(ui): serve the viewer from codegraph ui, loopback-only and read-only (CG-41)
Adds the `codegraph ui [path]` command (alias `web`) and `src/ui-server/`, a
`node:http` server with no framework and no new dependency.

The command reads an index that already exists — it never creates one, so a
missing index prints the same friendly guidance the MCP tools give instead of
a stack trace, and a sensitive system directory is refused up front.

Security is the substance here, not the routing. The server binds 127.0.0.1
only, answers GET and HEAD only, and sends no CORS headers ever. The realistic
attack on a process that serves your source code from a local port is DNS
rebinding, so every request must carry a loopback `Host` (on our port) and, if
it carries an `Origin` at all, a loopback one — anything else is 403 before
the filesystem is touched. Every path resolves through the engine's existing
`validatePathWithinRoot` chokepoint, which already handles `../` traversal and
in-tree symlinks pointing out of the root (#527); `..` segments are refused
outright so a traversal attempt gets a 404 rather than the SPA shell.

`PathRefusalError` moves from `mcp/tools.ts` into the dependency-free
`errors.ts` (re-exported from its old home, so class identity and every
`instanceof` check are unchanged) — that is what lets a non-MCP read sink
enforce the same refusal without importing the MCP tool graph.

Assets come from `dist/viewer/` resolved relative to `__dirname`, the way
`db/index.ts` finds `schema.sql`. Hashed assets are cached immutably,
`index.html` never. Port 4747, or the next free one — an explicit `--port`
stays explicit rather than silently moving. `--no-open` skips the browser, and
`CODEGRAPH_BROWSER` picks one (or `none` to suppress it), which is also what
makes "did it open a browser" testable end to end.

`resolveProjectFile` and the `/api/` handler seam are the boundary CG-42's
JSON API plugs into; `/api/*` 404s as JSON so a typo'd endpoint never returns
the app shell.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-26 16:17:09 -05:00
Colby McHenry a72f22a6d3 feat(ui): scaffold the codegraph ui viewer as a Svelte 5 + Vite workspace (CG-40)
Adds `ui/` as an npm workspace (Svelte 5.56 + Vite 7, devDependencies only —
the engine's runtime dependencies are untouched) and chains its build into
`npm run build`, so the browser viewer ships inside `dist/` with everything
else: `build-bundle.sh` already copies `dist` wholesale and `pack-npm.sh`
packs that bundle.

Output is `dist/viewer/`, NOT `dist/ui/`: `src/ui/` is the engine's terminal
ui (shimmer progress + its worker) and tsc compiles it to `dist/ui/`, so
emitting there both deletes those modules — the CLI then dies at startup with
`Cannot find module '../ui/shimmer-progress'` — and would leave the static
server handing out compiled engine internals. The design spec is corrected to
match.

`scripts/check-ui-build.mjs` is the release guard: index.html must exist, be
non-trivial, and every local asset it references must be on disk, and the
compiled engine next door must still be intact. It runs after every UI build,
again in `build-bundle.sh` once the bundle stage has copied `dist`, and again
in `pack-npm.sh` once each archive is unpacked — so a broken viewer fails the
release instead of shipping a CLI that serves a 404.

`vite build` does not override an ambient NODE_ENV, so a shell or runner with
NODE_ENV=development silently shipped dev-mode Svelte (~13 kB of dev-only
runtime checks, warning in the user's console). The config now pins production
for `command === 'build'`; macOS and Windows ARM64 then emit byte-identical
bundle hashes.

The shell itself follows docs/design/codegraph-ui-design-spec.md §2–§3.1:
design tokens as CSS custom properties (light on bare `:root`, dark under both
`prefers-color-scheme` and `[data-theme="dark"]`), square corners, hairline
rules, one oxblood accent; top bar 48px / trail bar 34px / main; a hash router
over `#/s/<id>`, `#/file/<path>`, with `#/map` and `#/flow` reserved for phase
2. Fonts are vendored through @fontsource rather than fetched, so a local
reader works offline and never announces the project to a CDN.

Verified: clean `npm run build` from an empty dist on macOS and on the Windows
ARM64 VM (forward-slash asset URLs, CLI still starts, both assertion failure
modes exit 1); `dist/viewer` present in a real darwin-arm64 bundle and in the
packed npm platform package; shell geometry, tokens, all seven routes, both
themes and font loading checked in headless Chromium with no console errors;
`npm test` unaffected.
2026-08-26 15:55:10 -05:00
Colby McHenryandClaude Fable 5 6a056ec5db docs: say what the WAL fix bounds — the log's resting size, never the index (#1431)
The 1.6.0 notes said the write-ahead log is "capped", which reads as a
limit on how much can be indexed. It bounds only the log's resting size
(64 MB default, CODEGRAPH_WAL_HEAL_MB) and folds a killed session's
leftover back into the index; a large repository's log still grows in
proportion to its index while it is built. Say so in both entries, and
document the two knobs in the README's troubleshooting section.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MC52FSFLtKtDCLqT81tZYG
2026-08-26 12:09:07 -05:00
Colby McHenry b59023f01b chore(release): bump version to 1.6.0 2026-08-26 11:59:36 -05:00
Colby McHenryandClaude Fable 5 60f920a66d docs(changelog): open [Unreleased] with a Highlights block and group the fixes
The [Unreleased] section had 58 long entries in two flat lists — fine as a
record, unreadable as an update. It now opens with a short Highlights list
(nine plain-language bullets plus the re-index note) that a non-engineer can
read in a minute, the seven features are ordered by what users notice first,
and the 51 fixes are grouped under four sub-headings. Every entry is
preserved verbatim; only order and headings changed.

CLAUDE.md gains the matching rule so the block is refreshed at each release.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MC52FSFLtKtDCLqT81tZYG
2026-08-26 11:01:38 -05:00
Colby MchenryandGitHub 41c10750e0 fix(erlang): give same-name different-arity functions separate arity-qualified nodes (#1610) (#1615)
Fixes #1610. Also fixes #1358 (the `<<binary>>` arity miscount in behaviour dispatch, reported separately and hit by the same code path).

## Problem

Arity is part of an Erlang function's identity — `f/1` and `f/2` are unrelated top-level definitions — but the extractor merged consecutive same-name `fun_decl`s regardless of arity. Reproduced on main exactly as reported:

- adjacent `f(X) -> …. f(X, Y) -> ….` → **one** node spanning both, with the first definition's signature;
- interleaved `f/1, g/0, f/2` → two nodes with **identical** `qualified_name`;
- `cowboy_req`'s `header(Name, Req) -> header(Name, Req, undefined).` → a **self-loop** `header → header`, with the `-spec` for `/3` swallowed by the merged span;
- `-export([f/1])` marked every arity exported.

## Fix

- **One node per (name, arity).** Clauses of the same name+arity still merge (that part of the old behavior was correct); a different arity starts a new node. `qualifiedName` carries the canonical spelling — `mod::f/1` — while the node **name stays bare** so search and bare-name matching are unchanged.
- **`-export` and `-spec` are per-arity.** `-export([f/1])` exports exactly `f/1`; a spec sitting between two arities attaches to the arity its signature names.
- **Refs carry the call-site arity** wherever it's statically known: local `f/1`, remote `mod::f/2`, `fun f/1` / `fun mod:f/1` values, `gen_server` dispatch (`handle_call/3`, `handle_cast/2`), and spawn/apply MFA lists (`spawn_link(?MODULE, work, [A, B])` → `work/2`).
- **The matcher resolves only to the named arity** — same file first (a local call targets its own module) — and when no definition of that arity exists it resolves to **nothing** rather than a sibling arity: silent beats wrong. An arity-less dynamic-MFA ref resolves only when the module defines exactly one arity of that name.
- **Behaviour dispatch** selects the implementer node of the site's arity, and the arity counter now skips `<<1,2,3>>` binary-literal commas per its own docstring (#1358) — `Mod:decode(<<1,2,3>>, Opts)` counts 2, not 4.
- **`codegraph_explore` / `codegraph_node`** accept the written `mod:fn/3` spelling against the new arity-qualified names (the issue's measured `cowboy_stream_h:request_process/3` shape).

## Validation

Minimal fixtures (all three reported shapes) now index as `gap::f/1` + `gap::f/2`, distinct `inter::f/1`/`inter::f/2`, and a real `deleg::header/2 → deleg::header/3` edge with no self-loop.

Cowboy (fresh `--depth 1` clone, this build vs unmodified main build):

| | main | this PR |
|---|---|---|
| nodes | 3,668 | 3,748 (+80 — the arity splits; no explosion) |
| erlang function nodes | 2,850 | 2,930 |
| behaviour dispatch edges | 38 | **44** |
| `cowboy_req::header` | one node, span 420–425, /3's spec lost | `header/2` (420–421, its own spec) + `header/3` (424–425, its spec) |
| delegation | self-loop | `header/2 → header/3` |

`calls` edges drop 6,059 → 5,656: a sample of every removed pair shows the false-positive class the issue predicted — out-of-repo/BIF calls (`length/1`, `error/1`, `quicer:*`) that previously name-matched onto unrelated same-named in-repo functions now stay unresolved.

Tests: new arity coverage in extraction + a new arity-resolution integration suite + a #1358 binary-literal behaviour test; updated existing Erlang expectations to the arity-carrying spellings. Full suite: **3,018 passed, 0 failed**.

No migration: an existing Erlang index picks the new shape up on its next re-index (`codegraph sync` / re-`init`).

Erlang is wasm-only (not in the native kernel), so there is no kernel-parity surface.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

https://claude.ai/code/session_01LxZj6W6Y1SHXwvpT3uwJpK
2026-08-26 10:39:15 -05:00
Colby MchenryandGitHub c382225461 fix(cli): register the documented context command (#1611) (#1613)
Fixes #1611.

## What

`codegraph context <task>` has been advertised in the CLI usage header since the first commit, and the ContextBuilder behind the public `buildContext` API has always shipped in the package — but the command was never registered with commander (verified via `git log -S`: this is drift present from day one, not a removal). Invoking it errored with `unknown command 'context'`, which broke external integrations built against the documented contract — Memorix 1.8.1 invokes `codegraph context --path <project-root> --format json --max-nodes 8 --no-code <task>` and silently falls back to its own heuristic index when the command is missing.

## How

Registers `context <task...>` next to the other read commands (`query`/`explore` pattern), mapping flags 1:1 onto `BuildContextOptions`:

- `-p, --path <path>` — resolved exactly like every sibling command (nearest initialized project)
- `-f, --format <format>` — `markdown` (default) or `json`, unknown values rejected with exit 1
- `-n, --max-nodes <number>` — positive integer, validated
- `--no-code` — structure only (`includeCode: false`)

JSON output is clean, machine-parseable stdout — `error()` and warnings go to stderr — and the uninitialized-project path matches the sibling commands' error text and exit code. The usage-header line needed no change; the registered syntax matches what it has always advertised.

## Tested

New `__tests__/cli-context-command.test.ts` (modeled on `cli-query-command.test.ts`, spawning the built binary against a temp fixture): JSON parseability + shape, `--max-nodes` bounding, the exact Memorix invocation shape (`--format json --max-nodes 8 --no-code`), markdown default, uninitialized-project failure, unknown-format rejection. `npx vitest run __tests__/cli-context-command.test.ts __tests__/context.test.ts __tests__/context-ranking.test.ts __tests__/cli-query-command.test.ts` → 4 files, 39 tests, all green.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

https://claude.ai/code/session_01LxZj6W6Y1SHXwvpT3uwJpK
2026-08-26 10:39:06 -05:00
Colby MchenryandGitHub a5c2709e6d fix(mcp): adopt a single indexed sub-project below the server root + say when no project resolves (#1606, #1607) (#1614)
Fixes #1606 and #1607 together — the MCP server's root resolution never got the sub-project down-scan `planFrontload` gained in #964, and the resulting no-default state was completely silent.

## What changed

**Adoption (#1606).** A new `resolveServerRoot()` in `src/directory.ts` is the single resolution every server entry point now uses: up-walk first (`findNearestCodeGraphRoot`, the common case, unchanged), and when that misses, the existing bounded down-scan (`findIndexedSubprojectRoots` — depth 4, max 64, heavy dirs skipped). **Exactly one** indexed sub-project is unambiguous and is adopted as the default project — `open` → `startWatching` → `catchUpSync` → query pool, the full normal path. Zero or several candidates → no default, never a guess. Wired into:

- `MCPEngine.doInitialize()` and `retryInitializeSync()` — the retry path also picks up a child indexed *after* the server started (its down-scan is throttled to once per 5s so the persistent no-default state doesn't pay a directory walk per tool call; the up-walk still runs every time).
- `resolveDaemonRoot()` — the adopted root gets the shared daemon (one watcher, one writer, socket keyed on the child) instead of a direct-mode server per host, exactly as the issue suggested.
- `MCPSession.handleInitialize()` — the instructions variant is picked with the same resolution, so a workspace whose single child becomes the default gets the full single-project playbook. Race-free by construction: handshake and engine compute it independently, no ordering assumed.

**Workspace-root gate (the open question in #1606).** Decided deliberately: the down-scan runs only when the base has a workspace manifest (`looksLikeProjectRoot`, unchanged list) **or a `.git` entry** — the exact container shape that motivated the report — and never when the base is `$HOME` or the filesystem root. The gate lives in the new helper only; `planFrontload` and the prompt-hook are untouched, so #1454's surface is not widened.

**Diagnostics (#1607).** The no-root branch is no longer silent:

```
[CodeGraph MCP] No .codegraph/ at or above <searchFrom>: no default project, live sync disabled.
[CodeGraph MCP] Indexed sub-projects found: service-a, service-b. Pass `projectPath` per call, or launch with --path.
```

(second line only when the scan found candidates), plus one line naming the adopted child when adoption happens. The same fact is protocol-reachable: the "No CodeGraph project is loaded" tool response now lists the discovered sub-projects with `projectPath` guidance. The list is engine-maintained (initial resolve + throttled retry) — tool calls never scan — and the response stays SUCCESS-shaped (`NotIndexedError` → `textResult`, never `isError`).

## Tested

- New `__tests__/mcp-subproject-adoption.test.ts` (real spawned server over stdio, same harness as `mcp-roots.test.ts`): single child → tool call answers from it, full instructions, adoption stderr; two children → no default, both listed in the tool response and stderr, per-project instructions; no manifest/no `.git` → gate holds, no scan, plain one-line message.
- `mcp-subproject-adoption` + `mcp-roots` + `mcp-initialize` + `daemon-bind-failure`: **13/13 pass**.
- End-to-end repro harness against the built `dist/` on an unmodified-main build first (confirmed: empty stderr, no adoption, NO_ROOT instructions even with one adoptable child), then on this branch (all three shapes behave as above; catch-up sync runs on the adopted child).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

https://claude.ai/code/session_01LxZj6W6Y1SHXwvpT3uwJpK
2026-08-26 10:38:56 -05:00
Colby MchenryandGitHub d618d94144 fix(extraction): detect a plain struct Derived : Base base clause in .h headers as C++ (#1592) (#1593)
Fixes #1592.

## What was wrong

A `.h` header whose only C++ construct is a plain derived type —

```cpp
struct Base {};
struct Derived : Base {};
```

— was classified as C. The `.h` language check (`looksLikeCpp`) recognizes `class`, `namespace`, `template`, access sections, `virtual`, `using`, and — since #1159/#1207 — the export-macro form `struct ENGINE_API Derived : Base`. The plain form has none of those signals. Routed through the C extractor, `Derived` vanished from the index and the base clause was read as a K&R-style declaration, minting a phantom `function Base` with `returnType=Derived` (the exact output in the issue).

A second, independent miss the reporter called out: the check only read the first 8192 characters, so a large header with a long C-compatible preamble (include guards, `#define`s, plain typedefs) hid the signal even when it was there.

## What this does

`looksLikeCpp()` now runs two passes:

1. The existing 8 KB sample regex, unchanged.
2. A scan of the **whole file** (comments stripped) for a class/struct **base clause**: `class`/`struct` + tag + optional `final` + `:` + optional `public`/`protected`/`private`/`virtual` + a base name (scoped, optionally templated) followed by the body's `{` or a `,` introducing the next base.

That shape has no valid C reading, so widening it to the whole file can't drag a C header over to C++:

- a bit-field's `:` follows a member *name* inside the body (`unsigned a : 3;`), not the tag;
- a ternary's `:` is separated from the tag by `)` / `*` / a declarator (`sizeof(struct foo) : 0`);
- a label or identifier like `struct_end:` has no whitespace after `struct`;
- comments are removed before the scan, so doc-comment prose (`/* struct timeval: seconds, microseconds */`) can't match; and the `{`/`,` terminator keeps a string literal's prose from matching too.

Detection only — the C++ extractor already handles the header correctly once it's routed there (renaming to `.hpp`, as the issue notes, already worked).

## Tests

`__tests__/extraction.test.ts`:

- plain / `: public Base` / `: ns::Base` / `: Base<int, Foo<T>>` / `final : Base` / multi-base with `{` on the next line / `: virtual Base` → `cpp`;
- a base clause placed **after** 8192 characters of C-compatible preamble → `cpp`;
- controls that must stay `c`: a bit-field struct, `sizeof(struct foo) : 0` + a cast ternary, a `struct_end:` label and `struct_a` identifiers, doc-comment prose shaped like a base clause, and the two pre-existing C controls;
- end-to-end `extractFromSource('src/min.h', …)` on the issue's header: a `struct` node `Derived` (language `cpp`), exactly one `Base` node and it is a `struct` — no phantom function.

Issue repro re-run against this build: `codegraph init` → `query Derived` returns the `cpp` struct; `query Base` returns only the struct; the files table records `src/min.h` as `cpp`.

Full suite: `npm test` → 174 files passed, 3010 tests passed, 179 skipped.

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2026-08-26 10:38:48 -05:00
Colby MchenryandGitHub cf1b0e341a fix(sync): refresh the watcher's scope when codegraph.json or a .gitignore changes (#1590) (#1594)
Fixes #1590.

## What was wrong

The live file watcher built its scope matcher — built-in defaults + `.gitignore` + the `codegraph.json` `exclude`/`include` rules — once in `start()` and kept it for the watcher's lifetime. The MCP server is long-lived, so a `codegraph.json` created or edited after it started was invisible to the watcher, while `codegraph sync` (a fresh process with a fresh matcher) honoured it immediately. From the user's side: the CLI removed a newly excluded file, and the daemon re-indexed it a few seconds later, which reads as "`exclude` doesn't work". As the report points out, `extensions` on the very same config file *was* read live (its loader is mtime-cached), so two fields of one file behaved differently.

There was a second half to it. The watcher's scoped fast path hands the exact edited paths to sync, and that path stat'ed and re-parsed them without consulting the scope matcher at all — so the stale view of scope leaked straight into the index.

## What this does

**Watcher — rebuild on a scope change, then reconcile in full.** An event for the root `codegraph.json` or `.gitignore` rebuilds the matcher, marks the next sync as a full reconcile, and schedules it. A scope change has no per-file events: newly excluded files must be *removed* from the index and newly included ones *added*, and only the scan-diff (which builds its own fresh matcher) knows which those are. Two ordering details are deliberate:

- the two root files are checked *before* the matcher is consulted, so a user pattern that happens to cover them (`*.json`, `.*`) can't hide their own edits;
- a nested `.gitignore` (an embedded child repo's own rules, or a subdirectory rule the git-backed scan honours) is checked *after* the matcher, so the thousands of package-local `.gitignore`s an `npm install` writes under an ignored `node_modules/` can never trigger a rebuild storm.

Rebuilding runs embedded-repo discovery (one `git ls-files`), which is fine per config edit and never happens per event. Replacing the field serves both watch strategies: the recursive handler and the per-directory `shouldIgnoreDir` walk read it on every call.

**Scoped sync — re-check the paths it was handed.** The orchestrator now runs scoped paths through the same scope matcher and source-extension gate the full walk applies. An out-of-scope path is treated as absent: removed if tracked, never parsed on trust. The matcher is memoized on the mtimes of the two root files it derives from (two `stat`s per sync while nothing changed), so the scoped path keeps skipping O(repo) work — paying embedded-repo discovery per sync would defeat its whole point.

## Tests

- `watcher.test.ts` — a `codegraph.json` edit schedules a full sync, after which an edit inside the newly excluded tree is dropped by the live matcher (not pending, no sync) while an in-scope edit still syncs scoped; a root `.gitignore` edit behaves the same; a nested `.gitignore` forces a full sync; a `.gitignore` under `node_modules/` schedules nothing; dropping the exclude again readmits the tree.
- `sync.test.ts` — end-to-end through `CodeGraph`: a scoped sync of a path that `codegraph.json` now excludes removes it (`filesRemoved: 1`, nothing parsed — the symbol added to the file never appears), stays out on a repeat, and is re-added through the same scoped path once the exclude is dropped.
- All five new tests fail on `main`; the `node_modules` guard passes both ways as expected.
- Full suite: 189 files, 3184 passed / 9 skipped.
- CLI half of the issue's repro (init with `exclude`, edit the config + the file, `codegraph sync`): the newly excluded file is removed and its new symbol never enters the index.

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2026-08-26 10:38:38 -05:00
Colby MchenryandGitHub 838006c947 fix(kernel): guard the native walkers against stack overflow and defer deep files to wasm (#1581) (#1600)
Fixes #1581.

## What was wrong

`codegraph init` / `codegraph index` died with `Segmentation fault` — the whole CLI
process, not a parse worker — on a C/C++ file with very deep brace nesting (llvm's
`clang/test/Parser/parser_overflow.c`, 16,384 nested `{`). The reporter's diagnosis is
exactly right: tree-sitter's parser is iterative, so the file parses fine, and then the
native kernel's **recursive walker** (`visit_node` → `visit_for_calls_and_structure` → …,
one frame per AST level) overflowed the thread's stack. A native overflow can't be caught
the way a wasm abort can, and a parse worker is a thread of the `codegraph` process, so
the SIGSEGV took the entire indexer down — no message, no per-file fallback, no partial
index.

Two things made "just give the worker a bigger stack" the wrong fix:

- it only moves the cliff — reproduced here: the reporter's 16,384-deep file kills a
  default 4 MiB worker (rc=132 on macOS / 139 on Linux), and a 100k-deep file kills the
  8 MiB **main** thread too;
- the walkers are shared by every kernel-routed language (20 of them), and each has
  several recursion points with different frame sizes, so no single stack size is a
  provable bound.

Meanwhile the wasm path already handles this shape gracefully: its JS walker catches its
own `RangeError` per file and stores a partial result with a `parse_error`. The kernel
just needed a way to get there instead of dying.

## What this does

**The kernel guards its own recursion against the calling thread's real stack bounds and
defers a too-deep file to wasm** — the same `defer:` routing signal it already uses for
files with parse errors, which `src/extraction/kernel/index.ts` treats as "take the wasm
path for this file", silently.

- `codegraph-kernel/src/stack.rs`: per-thread stack bounds from the OS, computed once per
  thread and cached — glibc/musl `pthread_getattr_np` + `pthread_attr_getstack`, macOS
  `pthread_get_stackaddr_np` + `pthread_get_stacksize_np`, Win32
  `GetCurrentThreadStackLimits` (a hand-declared `kernel32` extern; no `windows-sys`).
  `exhausted()` is one thread-local load and one compare: true once the stack pointer is
  within a 256 KiB red zone of the limit, and it latches a flag. Where the OS can't report
  bounds it falls back to a fixed 1 MiB descent budget measured from the entry stack
  pointer — safe on anything from Node's 4 MiB worker default up. So the guard is exact on
  the 4 MiB worker, the 8 MiB main thread, and any `resourceLimits.stackSizeMb` alike.
- `stack_guard!()` (defined in `lib.rs`) is the first statement of every recursive walker
  function — all **150** self-recursive or on-cycle functions across the 15 walker modules,
  found by script (every cycle in the call graph, not just direct self-calls). It returns
  `Default::default()` (`()`, `false`, `None`, `""`) so an exhausted walk simply stops
  descending; a hook returning `false` sends its caller down the generic child walk, whose
  own guard returns at once.
- `extract_file` runs the whole walk under `stack::run_guarded`: if the flag is set
  afterwards the (truncated) result is discarded and replaced by
  `defer: nesting too deep for the native walker — wasm recovery handles it`.
- `parse-pool.ts`: a comment at `new Worker(scriptPath)` records why there is deliberately
  no `resourceLimits.stackSizeMb` bump.
- No new crates beyond `libc` as a direct unix dependency (already in `Cargo.lock`
  transitively). No wire/ABI change.

Net effect for the reporter's repo: `deep.c` goes to the wasm path, lands as
`function foo` plus a recorded parse warning, and the other 31,607 files index normally.
`CODEGRAPH_KERNEL=0` and the `exclude` workaround are no longer needed.

## Tests

**Rust unit tests** (`cargo test`, 21 passed — 7 new in `stack.rs`): the walkers for
C, C++, Rust, TypeScript and Python are driven on a **1 MiB** thread (a quarter of Node's
worker default) with 30k-deep nesting and must return `defer:` instead of crashing;
shallow files are untouched; the latch resets between runs; the OS bounds are sane on the
main thread and describe a small thread's own stack.

**`__tests__/kernel-deep-nesting.test.ts`** (new, 8 tests — skips without a staged `.node`,
fails under `CODEGRAPH_KERNEL_EXPECT=1` if the kernel is missing, like the other kernel
suites):
- every default-routed language (all 20) survives a 60k-deep expression on the main thread
  — clean result or the wasm fallback's partial result, never a crash;
- the reporter's exact 16,384-brace C file is indexed (partial) on the main thread;
- 200-deep expressions in every language still take the kernel path clean (the guard never
  trips on normal code);
- inside a **default-sized 4 MiB `worker_threads` Worker** through `dist/`: the reporter's
  `deep.c` and a 60k-deep expression in every language come back `deferred` with exit 0,
  and a normal file still extracts natively;
- end-to-end through the built CLI: `codegraph init` on a repo holding `deep.c` + `ok.c`
  exits 0 and records both files, with both functions.

**Existing kernel suites**: all 15 (`kernel-*-parity`, `kernel-scaffold`,
`kernel-retry-materialize`, `kernel-grammar-parity`) pass unchanged, 147 tests — the guard
never fires on the parity fixtures.

**Reporter's probes** (`one.js` from the issue, default 4 MiB worker, this build):
`deep.c` → `deferred`, exitCode=0 (was rc=132/139); `deep100k.c` → `deferred`, exitCode=0.
Main thread: `deep.c` / `deep100k.c` → wasm partial with
`Parse error: Maximum call stack size exceeded`; a 6,000-term binary expression and a
3,000-branch `else if` chain stay on the kernel path with clean results.

**Perf** (same `dist/`, only the `.node` swapped via `CODEGRAPH_KERNEL_PATH`; interleaved
main/new ×3, `codegraph init`, macOS arm64):

| repo | main (median) | guarded (median) | nodes / edges |
|---|---|---|---|
| express (141 files) | 0.60 s (0.58–0.65) | 0.61 s (0.58–0.61) | 1,084 / identical |
| redis (786 C/H files) | 4.44 s (4.39–4.66) | 4.49 s (4.41–4.70) | 19,942 / 76,446 identical |

Within run-to-run noise, as expected for one TLS load + compare per recursion entry.

**Linux (Docker, `node:22-bookworm`, kernel built in-container, `docker run --rm --init`)** —
the reporter's platform and the glibc `pthread_getattr_np` bounds path:

```
=== platform ===
Linux efe3cc86947b 6.12.54-linuxkit #1 SMP Tue Nov  4 21:21:47 UTC 2025 aarch64 GNU/Linux
v22.22.3
-rwxr-xr-x 1 root root 35332288 Aug 22 18:02 codegraph-kernel/prebuilds/linux-arm64/codegraph-kernel.node

=== reporter repro (issue #1581): 16,384-brace deep.c, codegraph init ===
│
└  Done

init exit code: 0
  file: deep.c
  file: deep100k.c
  file: ok.c
  function: add
  function: bar
  function: foo

=== worker probe: kernel raw extract in a default 4 MiB worker ===
deep.c: deferred
deep.c: worker exitCode=0
deep100k.c: deferred
deep100k.c: worker exitCode=0
ok.c: kernel nodes=2
ok.c: worker exitCode=0

=== cargo test stack:: (glibc pthread_getattr_np bounds path) ===
test stack::tests::os_bounds_are_sane_on_this_platform ... ok
test stack::tests::small_stack_reports_its_own_bounds ... ok
test stack::tests::normal_files_are_untouched_by_the_guard ... ok
test stack::tests::deep_braces_c_defer_instead_of_crashing ... ok
test stack::tests::latch_resets_between_runs ... ok
test stack::tests::deep_parens_cpp_rust_ts_python_defer_instead_of_crashing ... ok
test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 15 filtered out; finished in 0.23s

=== vitest: kernel-deep-nesting + kernel-scaffold ===
✓ __tests__/kernel-scaffold.test.ts (10 tests) 30ms
✓ __tests__/kernel-deep-nesting.test.ts (8 tests) 36989ms
Test Files  2 passed (2)
Tests  18 passed (18)
```

(The pre-fix crash was reproduced on macOS — rc=132 in a default worker, rc=139 on the main thread at 100k depth — not re-run inside this container; the reporter's Linux x86_64 trace is the SIGSEGV form of the same overflow.)

**Windows (Parallels ARM64 VM, MSVC 14.44, `cargo 1.97`, kernel built on the VM,
`GetCurrentThreadStackLimits` path)**:

```
head: cbf8485 fix(kernel): guard the native walkers against stack overflow and defer deep files to wasm (#1581)
=== cargo build --release (win32-arm64) ===
    Finished `release` profile [optimized] target(s) in 2m 04s
staged: 35086848 bytes
=== cargo test (stack guard unit tests) ===
test stack::tests::normal_files_are_untouched_by_the_guard ... ok
test stack::tests::os_bounds_are_sane_on_this_platform ... ok
test stack::tests::small_stack_reports_its_own_bounds ... ok
test stack::tests::deep_braces_c_defer_instead_of_crashing ... ok
test stack::tests::latch_resets_between_runs ... ok
test stack::tests::deep_parens_cpp_rust_ts_python_defer_instead_of_crashing ... ok
test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 15 filtered out; finished in 0.49s
=== reporter repro: codegraph init on a 16,384-brace deep.c ===
└  Done
init exit code: 0
=== vitest: deep-nesting + scaffold (CODEGRAPH_KERNEL_EXPECT=1) ===
✓ __tests__/kernel-scaffold.test.ts (10 tests) 55ms
✓ __tests__/kernel-deep-nesting.test.ts (8 tests) 67239ms
   ✓ every default-routed language survives a 60k-deep expression on the main thread 52801ms
   ✓ inside a default-sized (4 MiB) parse worker, through dist/ > defers a 60k-deep expression in every default-routed language 13050ms
   ✓ end-to-end: codegraph init on a repo holding the deep file > exits 0 and records deep.c alongside the normal files 936ms
Test Files  2 passed (2)
Tests  18 passed (18)
```

(The end-to-end test is what reads the Windows index back through `node:sqlite` — `files` = `deep.c`, `ok.c`; functions `add`, `foo`.)

Full `npm test` on this branch (macOS arm64, kernel staged): **190 files passed, 3,185 tests passed, 10 skipped, 0 failed.**

Clippy note: `cargo clippy` on the current toolchain (1.92) reports 18 pre-existing lints
(`manual_contains`, `unnecessary_to_owned`, …) in walker code this PR only touched by
inserting guard lines; none are in `stack.rs`/`lib.rs`. Left alone to keep the diff
reviewable.

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2026-08-26 10:38:29 -05:00
Colby MchenryandGitHub 0d17dfd6a8 feat(cli): install --init and init --yes for a one-shot, non-interactive bootstrap (#1578) (#1595)
Fixes #1578.

## What was wrong

Bootstrapping CodeGraph in a fresh environment — the issue's case is a throwaway container per AI session — took two commands, `codegraph install --yes` and then `codegraph init`, and the second one could still stop on a prompt (the gitignored-child-repos offer, the watch-fallback offer on WSL/`/mnt`). There was no way to wire agents and build the project's index in one non-interactive line.

The installer's "never index implicitly" rule is deliberate (a surprise index of `$HOME` is exactly what `init` refuses), so the gap is an explicit opt-in, not a change in default behavior.

## What this does

- **`codegraph install -i, --init`** — after wiring the agents, runs the `init` flow in the current directory. It also runs when nothing was wired (`--target none`, no agents detected), since the installer returns normally in that case. Every `init` guard applies: a home directory / filesystem root / parent of home is **refused with exit code 1** (no implied `--force`), and an already-initialized project just reports that and exits 0. `--print-config` and `--refresh` return before the install, so `--init` is a no-op with them.
- **`codegraph init -y, --yes`** — non-interactive: the ignored-repos offer prints its one-line `includeIgnored` opt-in snippet instead of prompting (the existing non-TTY behavior), and the watch-fallback offer takes its `yes` default. `install --init` passes `--yes` through, so `codegraph install --yes --init` is a fully unattended bootstrap.
- The `init` action body becomes `runInit()`, shared by both commands. The plain `init` path is behavior-identical (same refusal, already-initialized notice, supervised index, telemetry, offers, outro).
- The post-install "Next: index a project" note gains one line mentioning `--init`; README gets the flag row and a `--yes --init` example.

On the reporter's other observation — `install --yes` skipping the "install the CLI on your PATH" step: that's by design for scripted use (it assumes the CLI is already present), and the `bunx @colbymchenry/codegraph serve --mcp` MCP entry they found is the self-contained alternative. Not changed here.

## Tests

`__tests__/cli-install-init.test.ts` — end-to-end against the built binary with stdin closed (a blocking prompt would fail), always `--target none` so the suite never touches an agent config on the host:

- `install --yes --target none --init` → exit 0, installer reports nothing to wire, `Initialized in <tmp>`, `.codegraph/codegraph.db` exists;
- the same on an already-initialized project → `Already initialized`, exit 0;
- the same at the filesystem root → exit 1, `Refusing to initialize`, nothing written;
- `init --yes` with stdin closed → exit 0, index built;
- `init --help` lists `-y, --yes`, `install --help` lists `-i, --init`.

`npx vitest run __tests__/installer-targets.test.ts __tests__/upgrade.test.ts` → 283 passed, 3 skipped. Full `npm test` → see the checks on this PR / below.

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2026-08-26 10:38:21 -05:00
Colby MchenryandGitHub 278a8edc35 fix(resolution): resolve calls to object-literal namespace members (#1573) (#1597)
Fixes #1573. Thanks @IAliceBobI — the report had the root cause exactly right, and the fix sits one layer up from the suggested spot (resolution rather than the container-kind set), for the reason below.

## What was wrong

Methods of an exported object-literal constant — `export const api = { call() {…}, get: () => {…} }` used as a module's API surface — never received a call edge from `api.call()`, same-file or through an import. The members are extracted as plain functions with **bare** qualified names (`call`, not `api::call`) sitting inside the constant's source extent, so:

- the `Container::member` lookup the class-shaped kinds use (#825) bails on kind `constant`, and even with `constant` added to that set there is no `api::call` to find;
- the declared-type inference for imported singleton instances (#1292) finds no type in a literal and falls back to the constant edge;
- the same-file strategies only consider classes and `method` kinds, so the call resolved to nothing at all.

Net effect: `callers` / impact reported zero for methods called from everywhere, with no boundary warning because nothing about `obj.method()` looks dynamic.

## What this does

Adds one helper that resolves a member **by containment** — a node named `member` whose source range lies inside the value's range, in the value's own file — and uses it from both halves:

- **Import path**: when the imported value is a constant/variable, the literal member is tried right after the `Container::member` lookup and before the #1292 instance inference, so the cross-file edge lands on the method instead of the constant.
- **Same-file path**: a same-file constant/variable receiver (TS/JS family only) is checked before the class-name strategies.

Precision rules, all tested: calls accept callable kinds only; a declaration nested inside another member's body is not a member; nothing outside the value's range can donate a match — a same-named top-level function, or a method returned by a factory the value merely holds — so those cases keep today's behavior rather than guessing. Class statics (`C.s()`) and non-literal values are untouched.

Extraction and qualified names are deliberately left alone: changing how literal members are named would have to be mirrored in the native kernel byte-for-byte, and the resolver-side lookup is contained and language-gated.

## Tests

- The issue's repro end-to-end: `sameFileCallers` and `crossFileCaller` are both callers of `m`; a decoy `m` in a third file gets none; the `C.s()` static control resolves exactly as before; `crossFileCaller` no longer has a `calls` edge to the constant.
- Arrow-property and method members both resolve; a `function call()` nested inside `get`'s body is never taken for `api.call()`.
- A value holding a factory's result (`const obj = makeObj()`) with a same-named top-level `m` in the file: no false attribution, existing behavior kept.
- The two positive tests fail on `main`; the control passes both ways, as a guard should.
- Full suite: 189 files, 3181 passed / 9 skipped.

With the built CLI on the issue's `a.ts`/`b.ts`: `codegraph callers m` → 2 callers (`sameFileCallers`, `crossFileCaller`); `callers s` unchanged; edges `sameFileCallers -> m` (0.85) and `crossFileCaller -> m` (import, 0.9), none to `obj`.

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2026-08-26 10:38:13 -05:00
Colby MchenryandGitHub 7963672689 fix(rust): resolve self.field.method() on the field's declared type instead of a same-named method (#1585) (#1599)
Fixes #1585. **Stacked on #1596** (the base branch is `fix/1588-rust-impl-type-qualification`; this PR's own diff is the second commit). Merge #1596 first, then retarget/merge this one.

## What was wrong

```rust
impl Outer {
    pub fn run(&mut self) {
        self.inner.run();      // inner: Inner
    }
}
```

produced `Outer::run -> Outer::run` — recursion the source doesn't contain. The extractor collapsed every `self.<field>.<method>()` receiver to the bare method name (`run`), so the resolver only ever saw `run` and exact-matched the nearest same-named method — the calling method itself, or a method of an unrelated type. Nothing marked the edge as a guess, and no row stayed in `unresolved_refs`, so a consumer had no way to tell.

The same happened when the field's type isn't a project type at all (`its: std::vec::IntoIter<_>` → `self.its.next()`, `matcher: Regex` → `self.matcher.is_match()`): the bare `next` / `is_match` attached to whatever local method shared the name. ripgrep had 279 self-edges on `main`; the issue lists three sites, all of this shape.

(The issue's C++ control — "`Outer::run -> Inner::run` resolves correctly" — doesn't actually hold on `main`: `inner.h` is classified as C by the `.h` heuristic, so `Inner::run` never exists and the C++ repro self-edges too. That's #1592, fixed separately.)

## What this does

Rust struct fields are not graph nodes, so the field's type can only come from the struct's declaration text. This follows the Go 2-hop precedent exactly (`matchGoFieldChainCall`, #1276), including its exclusivity rule:

1. **Extraction (TS walker + native kernel, identical, parity-tested):** a call whose receiver is `self.<field>` keeps the owner-field shape — `self.inner.run()` is emitted as `self.inner.run`. Deeper chains (`self.a.b.m()`), call receivers (`self.f().m()`), parenthesized receivers and bare `self` keep the bare name, exactly as before.
2. **Resolution (`matchRustSelfFieldCall`):** owner type = the calling method's qualified-name prefix (`Outer::run` → `Outer`); the field's declared type is read from the owner struct's **own declaration lines** (comment-stripped, line by line — same discipline as the Go helper); the method is resolved **and validated** on that type by `resolveMethodOnType` (confidence 0.85, `instance-method`).
3. **Exclusive:** when the field is declared with an external type, a generic parameter (`T`), a container that doesn't auto-deref (`Option`/`Vec`/`Mutex`/…), or can't be found, the ref **stays unresolved** — it never falls through to the bare-name strategies. That is the safe behaviour the issue asks for, and it is what #1276 already chose for Go.

`rustFieldTypeName` looks through exactly the layers Rust's method-call auto-deref looks through: references (`&`, `&'a mut`) and the owning smart pointers `Box`/`Rc`/`Arc`. `Box<dyn Source>` yields the trait, whose method node the interface-impl synthesizer then fans out to every implementation. `Option<Inner>` is left alone — `self.inner.take()` is Option's method and must not become `Inner::take`.

Why it stacks on #1596: the owner is taken from the method's qualified name, which for a generic/lifetime impl was the trait's name before that fix.

## Measured on ripgrep (110 `.rs` files, #1596 build vs this branch)

| | #1596 | this PR |
|---|---|---|
| nodes | 4029 | 4029 |
| `calls` self-edges | 279 | **146** (none of the `self.<field>` shape remain — 116 bare-receiver, 30 other dotted) |
| `self.<field>.m()` calls resolved through a validated field type | — | **292** (`DecompressionMatcher::command -> GlobSet::matches`, `Parser::find_long -> FlagMap::find`, `Haystack::path -> DirEntry::path`, …) |
| `self.<field>.m()` calls left unresolved | — | **417** — every sampled one is a std/container method: `self.commands.push`, `self.child.wait`, `self.pre.is_some`, `self.colors.clone`, `self.path_terminator.unwrap_or` |
| `calls` edges total | 9150 | 8878 (the 272 removed are the former bare-name guesses for those 417) |

The issue's three sites: `walk.rs:824` now resolves to `IgnoreBuilder::add_custom_ignore_filename` (was a self-edge); `walk.rs:1195` (`self.its.next`, `IntoIter`) and `globset/lib.rs:983` (`self.matcher.is_match`, `Regex`) are parked as unresolved instead of guessed.

The issue's repro gives `Outer::run -> Inner::run` (`instance-method`, confidence 0.85) on both the kernel path and `CODEGRAPH_KERNEL=0`.

## Tests

- `__tests__/extraction.test.ts`: only the single-hop `self.<field>.<method>()` call keeps the prefix; deeper / call / parenthesized / bare-`self` receivers and a local receiver are unchanged.
- `__tests__/resolution.test.ts` (end-to-end, Cargo layout): the issue's repro → `Outer::run -> Inner::run`, no self-edge; an external field type (`std::vec::IntoIter`) with a local `next` decoy → no edge at all; `Box<Inner>` and `&'a mut Inner` resolve, `Option<Inner>` does not (even though `Inner` declares the method); a generic `T` field → no edge; genuine `self.run()` recursion keeps its self-edge; the #1588 repro's `UsesFile::go` / `UsesBuf::go` resolve to `FileSource::read` / `BufSource::read`, and a `Box<dyn Source>` field lands on `Source::read` with the synthesizer fanning out to both impls.
- `__tests__/fixtures/kernel-parity/torture.rs` grows the receiver shapes; all 15 kernel parity suites pass against the rebuilt kernel (147 tests).
- Full `npm test` on this branch: 189 files, 3187 passed, 9 skipped, 0 failed.

Re-index after upgrading.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

https://claude.ai/code/session_01LxZj6W6Y1SHXwvpT3uwJpK
2026-08-26 10:37:50 -05:00
Colby MchenryandGitHub 12f7a59f26 fix(rust): qualify generic/lifetime impl methods by the implementing type, not the trait (#1588) (#1596)
Fixes #1588.

## What was wrong

The receiver of an `impl` block — the name that qualifies its methods, owns the `contains` edge, and sources the `implements` edge — was found positionally: the **last bare `type_identifier` child** of the `impl_item`. That works for `impl Source for FileSource`. But once the implementing type carries parameters it parses as a `generic_type`, and the only bare identifier left is the **trait's**:

```rust
impl Source for FileSource         →  FileSource::read   ✓
impl<T> Source for BufSource<T>    →  Source::read       ✗  (should be BufSource::read)
impl<'a> Iterator for Parents<'a>  →  Iterator::next     ✗
impl Trait for &Foo                →  Trait::method      ✗
```

Two consequences, both reproduced on `main`:

- `BufSource::read` did not exist in the graph, so `resolveMethodOnType("BufSource", "read")` and "who calls `BufSource::read`" had no answer, and every generic implementation of a trait collapsed onto the same trait-qualified name.
- Because the impl's method carried the trait's qualified name, the interface-impl synthesizer treated the impl **body** as a second trait declaration and emitted a dispatch edge from it (`Source::read -> FileSource::read`, registered at the generic impl's line — a body of `{ 0 }` containing no call at all).

The native kernel (`rustlang.rs`) mirrored the positional rule deliberately, bug-for-bug, to hold byte-parity with the TS walker — its header said "preserve, never fix via the grammar's trait:/type: fields". So the fix has to land on both sides at once.

## What this does

Both extractors now read the grammar's **named fields** instead of scanning children. One shared rule (`rustImplTypeName` in `languages/rust.ts`, `impl_type_name` in the kernel), applied to `impl_item.type`:

| implementing type | node | receiver |
|---|---|---|
| `Foo` | `type_identifier` | `Foo` |
| `Foo<T>` / `Foo<'a>` | `generic_type` → its `type` field | `Foo` |
| `m::Foo` | `scoped_type_identifier` → its `name` field | `Foo` (was: no receiver) |
| `&Foo` / `&'a mut Foo` | `reference_type` → its `type` field | `Foo` |
| `(A, B)`, `dyn Tr`, `*const T`, `u32`, fn types | anything else | none — extracted as plain functions, exactly as before |

The `implements` back-reference reads `impl_item.trait` (full text, so `fmt::Display` and `From<u32>` keep their spelling) and bails when the field is absent (inherent impl). Everything else — the no-scope impl quirk, the source-order `contains` owner scan, method extraction — is untouched; the `contains` edge simply lands on the implementing type now instead of the trait.

The kernel header comment, the parity test's description, and the two design docs that documented the quirk as "preserve" are updated to say what changed.

## Measured on ripgrep (110 `.rs` files, `main` build vs this branch)

| | main | this PR |
|---|---|---|
| nodes / methods | 4029 / 2202 | 4029 / 2202 |
| impl methods qualified by a **trait** name (node outside that trait's extent) | 61 | **0** |
| `Iterator::*` methods | 2 | 0 |
| duplicate method qualified names | 77 | 42 |
| synthesized `interface-impl` edges originating **outside** any trait declaration (the phantom fan-outs) | 38 | **0** |
| synthesized `interface-impl` edges originating at a real trait declaration | 33 | **52** |
| plain (non-heuristic) `calls` edges | 9098 | 9098 |

So the synthesizer lost every phantom edge and *gained* 19 legitimate fan-outs to implementations it could not previously see as implementations. `contains` edges went 5237 → 5224: the 13 removed were trait→impl-method edges produced by the mis-qualification.

The issue's repro now gives `BufSource::read` at line 12, `BufSource -> Source`, and both synthesized edges registered at the declaration (line 2) — identical on the kernel path and with `CODEGRAPH_KERNEL=0`. (The remaining `UsesFile::go -> BufSource::read` exact-match guess there is the separate `self.field.method()` receiver problem, #1585, which stacks on this.)

## Tests

- `__tests__/extraction.test.ts` (Rust Extraction): method qualified names for generic / lifetime / reference / scoped / generic-trait impls; the trait's qualified name names exactly one node; `implements` refs come from the implementing type for every shape; the `contains` edge lands on the type; tuple / `dyn` impls keep producing plain functions with no `implements` ref.
- `__tests__/resolution.test.ts` (end-to-end): `Source::read` names only the declaration; dispatch fans out to **both** `FileSource::read` and `BufSource::read`, every synthesized edge registered at line 2; neither impl body sprouts a synthesized call.
- `__tests__/fixtures/kernel-parity/torture.rs` grows all the new impl shapes; `kernel-rustlang-parity` (LF + CRLF) passes against the rebuilt kernel.
- `CODEGRAPH_KERNEL_EXPECT=1 npx vitest run __tests__/kernel-*.test.ts` — all 15 suites, 147 tests pass.
- Full `npm test`: 3180 passed, 9 skipped, 1 failed — `mcp-daemon.test.ts > daemon idle-times-out after the last client disconnects`, a 30 s timing test that passed on re-run in isolation (the machine was running four parallel suites and kernel builds at the time); unrelated to extraction.

Re-index after upgrading to pick up the corrected names.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

https://claude.ai/code/session_01LxZj6W6Y1SHXwvpT3uwJpK
2026-08-26 10:36:53 -05:00
Colby McHenryandClaude Fable 5 44e1812d3b changelog: cover the merged contributor batch (#1547, #1215, #594, #1463)
Write the missing [Unreleased] entries for the Vapor route hang fix,
the untracked-directory status gap (described for its current status-only
symptom — sync itself reconciles off the filesystem), and the new
deprioritize config key; move the .xsjs/.xsjslib resolution entry out of
the released 1.0.0 block, where a stale rebase had left it; credit
@maxmilian across the batch.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-22 09:56:49 -07:00
Colby McHenry ccb0295259 fix(explore): reliably pin extension-less kebab-case file basenames in queries
Previously, naming a kebab-case file without its extension (e.g., `background-image-table` vs. `background-image-table.tsx`) in a `codegraph_explore` query would shred the name into fragments (`background`, `image`, `table`), admitting irrelevant sibling files and crowding out the intended target.

This change introduces a new resolution pass in `extractQueryPaths` specifically for extension-less kebab basenames. Queries now accurately identify and pin these files. Unresolved hyphenated prose (e.g., `cross-call`) is left in the query for FTS without being flagged as an unknown path. Resolution prioritizes explicit slashed/dotted paths and respects an ambiguity budget for common stems to prevent over-pinning.
2026-08-22 09:05:30 -07:00
d8f2eeaddf fix(db): loop-append dense unresolved-ref result rows; make stripped-salvage visible (#1558) (#1576)
Real-world validation of #1575 on indexes damaged by the released v1.5.0
binary surfaced both of these.

getUnresolvedReferencesByFiles chunked its INPUT under SQLite's parameter
limit but appended each chunk's RESULT rows with a spread — every row
becomes a call argument, so a dense recovery sync (the #1541 self-heal
re-indexing 919 files produced 234,440 rows) exceeded V8's argument limit
and killed resolution mid-sync with "Maximum call stack size exceeded",
leaving the graph 226k edges short until another sync resumed the orphans
(and that sweep resolves measurably worse than the batched path — see the
follow-up issue). The failed-ref retry loader had the identical pattern on
unbounded result rows. Both append with a loop now (#1558).

The #1575 stripped-salvage warning also never rendered: init's summary
prints only index_partial warnings and counts only hard errors, so a run
with salvaged files still read as fully clean — and with no hard errors the
detail wasn't written to errors.log either. Salvage entries now carry code
'salvaged_stripped', the summary prints a visible warning naming the files,
and errors.log is written for salvage-only runs.

Validated on real corpora with full-graph dumps: healthy-path inits stay
byte-identical to the pre-#1575 baseline (cpython Lib, Alamofire, with a
determinism control); a realistically-damaged index (41 wiped + 5 missing
files, damage generated by the released binary) heals in one plain sync to
identical per-file counts and an edge set within the normal incremental
residual; pathological mass damage (52% of the repo) completes without
crashing. New regression test reproduces the RangeError on the old code
with 200k pending refs.

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
2026-08-20 12:36:22 -05:00
26045b3159 fix(extraction): decode kernel results in indexAll retry passes; self-heal wiped rows (#1541) (#1575)
The parse-pool workers return kernel-language extractions as an undecoded
buffer transport (nodes/edges EMPTY, tables in kernelBuffers). indexAll's
main loop decodes them (or hands the buffers to the store worker), but its
two retry passes — plain retry and the comments-stripped last resort —
stored the transport as-is: the storage gate passed via errors.length === 0,
zero nodes were inserted, and the files row was written with node_count = 0
while the original error was spliced out of the summary. Any worker
crash/timeout whose in-flight file was a kernel-routed language permanently
recorded that file as "(0 symbols)" — silently, and immune to later syncs
because the stored hash matches the on-disk bytes (#1541; v1.4.1 predates
the kernel path, which is why it was unaffected).

- Both retry passes now materialize kernel results before the gate, store,
  counters, and log lines.
- storeExtractionResult materializes at entry as defense-in-depth, so no
  storage path can persist an undecoded transport again.
- Zero-node rows on symbol-bearing languages (only the wipe produces these —
  every real extraction stores at least the file node) are dropped during
  full-reconcile sync and indexAll so already-affected files re-index
  automatically after upgrading. Scoped watcher syncs leave rows outside
  their scope untouched.
- The comments-stripped salvage now downgrades the failure to a visible
  warning instead of erasing it: the recovered result can be incomplete, and
  reporting clean success made a fresh index quietly disagree with a later
  per-file re-parse of the same bytes (#1565's init-vs-sync divergence).

Repro (released 1.5.0): CODEGRAPH_PARSE_TIMEOUT_MS=1 codegraph init on any
Python project → "Retry OK: <file> (0 nodes)" and permanent
"(python, 0 symbols)" rows. Fixed build stores real symbols under the same
forcing, and heals rows wiped by prior runs.

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
2026-08-20 12:16:51 -05:00
Colby McHenry d806317897 fix(explore): improve query accuracy for file paths, camelCase, and variables
`codegraph_explore` previously struggled with accurately interpreting user queries. Explicitly named file paths were shredded, making it hard to target specific files; natural language queries often missed camelCase identifiers; and state held in variables was overlooked as starting symbols.

This commit introduces several improvements:
- **Reliable File Path Resolution:** Naming a file by its path in a `codegraph_explore` query now works reliably. The path is resolved against the index, and that file is guaranteed a place at the top of the answer. Previously, paths were broken into fragments — bracketed route segments like SvelteKit's `[id]` made this worst — and pieces like `page` or `runs` matched every sibling file, so the file you actually named could be crowded out. A path that doesn't match any indexed file is now called out instead of silently ignored.
- **CamelCase Matching for Queries:** Plainly-worded `codegraph_explore` questions now find camelCase code. A query like "auto-scroll to bottom" can reach a function named `scrollFeedToBottom`, because query words are matched against the words inside identifiers, not just whole names.
- **Variable and Constant Seeding:** Variables and constants now count when `codegraph_explore` picks its starting symbols, so state held in plain variables — `$state`-style variables in Svelte, for example — no longer gets overlooked.
2026-08-20 09:14:11 -07:00
Colby McHenry 238dbc5cec fix(explore): accurately resolve query file paths and find camelCase symbols
Previously, `codegraph_explore` queries explicitly naming files by path (e.g., `src/routes/m/projects/[id]/runs/[runId]/+page.svelte`) were shredded. Bracketed path segments exploded into "named symbol" seeds, and FTS on fragments like `page` or `runs` admitted every sibling file, starving the user's intended target.

This change introduces:
- **Query path pinning:** File paths named in a query are now resolved against the index, "pinned," and stripped from the query. Pinned files are guaranteed inclusion, top ranking, and fair allocation. Unresolvable path-like spans are reported.
- **Segment vocabulary supplement:** Natural language query terms (e.g., "auto-scroll to bottom") can now reach camelCase identifiers (e.g., `pinFeedIfNearBottom`, `feedAtBottom`) by matching against their constituent segments.
- **Variable seeding:** `variable` and `constant` node kinds are now included in identifier seeding, improving recall for `$state`-style variables common in frameworks like Svelte.
2026-08-20 09:10:07 -07:00
Colby MchenryandGitHub c6aaa20358 Merge pull request #1516 from ctype-lab/fix/union-declarations-not-indexed
fix(c,cpp,objc,rust): index union declarations as a first-class `union` node kind (#1515)
2026-08-07 21:56:05 -05:00
Colby McHenry d289bf84d3 Merge main into fix/union-declarations-not-indexed
Resolves the CHANGELOG conflict — main and this branch each prepended a
bullet to [Unreleased] > Fixes; both are kept. Everything else auto-merged,
including src/mcp/tools.ts, which main reworked heavily for the explore
allocation/displacement work (CG-28/31/36/38) while this branch added the
`union` kind to its container sets.

Verified on the merged tree with the native kernel built: 3070 passed,
9 skipped, 0 failed.
2026-08-07 21:26:53 -05:00
Colby McHenryandClaude Opus 5 5b0c4b8b93 fix(resolution): trait dispatch reaches union implementors (#1515)
Making unions first-class nodes leaves the third loss in #1515 open:
interfaceOverrideEdges enumerates its concrete side as ['class','struct'],
so a union implementor is skipped even though it now has a real node and a
real `implements` edge. "Who implements this trait" then answers wrongly
rather than incompletely — the struct beside it bridges and the union does
not.

Add 'union' to that tuple, plus a regression test that pins the Rust
trait -> union-impl hop (the struct implementor is the control proving the
synthesizer ran). Verified the test fails on the union assertion alone
before this change.

No EXTRACTION_VERSION bump: main is already at 25 against v1.5.0's 24, so
existing indexes are flagged stale for the next release regardless, and
over-bumping is what turns the re-index hint into noise.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-07 21:23:06 -05:00
Colby MchenryandGitHub 222f82b9a5 Merge pull request #1440 from colbymchenry/feat/copilot-installer-targets
feat(installer): GitHub Copilot targets — VS Code, Copilot CLI, JetBrains
2026-08-07 13:50:33 -05:00
Colby McHenry 493d4210f1 Merge branch 'main' into feat/copilot-installer-targets
# Conflicts:
#	CHANGELOG.md
2026-08-07 13:49:22 -05:00
Colby MchenryandGitHub c84ce55855 Merge pull request #1528 from colbymchenry/issue/671-mcp-supported-languages
feat(mcp): surface supported languages in MCP server instructions (recut of #678)
2026-08-07 13:40:20 -05:00
Colby McHenryandClaude Fable 5 2962e7e1f4 feat(mcp): surface supported languages in MCP server instructions (#671)
Recut of #678 against the current instructions — the original predated the
explore-first rewrite and conflicted in both files it touched.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-07 13:40:15 -05:00
Colby MchenryandGitHub 1b36132a89 Merge pull request #1498 from colbymchenry/bugfix/CG-16
fix(telemetry-dashboard): accept Origin: null on login — no-referrer policy locked Chromium out (CG-16)
2026-08-07 13:38:07 -05:00
Colby MchenryandGitHub 99f2ebf0d1 Merge pull request #1527 from colbymchenry/bugfix/CG-38
CG-38: guarantee an agent-named symbol renders, wherever it sits
2026-08-07 13:19:25 -05:00
Colby MchenryandGitHub fa8a3d7226 Merge pull request #1526 from colbymchenry/feature/CG-35
CG-33/CG-35: converge incremental sync with a full rebuild
2026-08-07 13:19:21 -05:00
Colby McHenry 2c708caf7c Merge branch 'main' into feature/CG-35 2026-08-06 21:17:56 -05:00
Colby McHenry 89c53ddf24 fix(explore): guarantee an agent-named symbol renders, wherever it sits (CG-38)
`codegraph_explore` never returned `queueMessage` (L1087) or
`flushQueuedMessages` (L1102) from a 1,414-line file, on a symbol bag or a
prose question, even with that file at rank #1 holding 67% of the envelope —
the agent got a same-stem `QueuedMessage` interface at L70 and had to Read the
file for the functions it had named. Pre-existing at every build including
pre-epic (controlled bisect, index held fixed).

Two independent causes:

1. `buildFlowFromNamedSymbols` returns the Flow prose AND the set of node ids
   the agent named — and the latter is the whole guarantee, since it injects a
   named def into its file's cluster ranges at importance 9. Its bail-outs
   returned EMPTY, zeroing the identity whenever there was nothing to PRINT.
   Two sibling closures that never call each other produce no chain, no synth
   hop and no boundary, so both defs lost importance 9 and the file rendered
   from its head. `identityOnly()` now separates the two, gated on
   shape-precise tokens so a prose word that exact-matches a callable cannot
   promote itself.

2. The ceiling trim filled in SOURCE order, so an over-ceiling render always
   dropped the END of a large file first. The shrink HAD kept both symbols
   (1022-1121); the trim cut back to 839. `windowToCeiling` now takes the
   spine call site plus every importance>=9 member as focus lines, tries the
   full ceiling first, and splits the held-back reserve evenly with
   carry-forward — greedy-in-source-order reproduced the bug one level down.

The shrink's loose size estimate is left alone deliberately, and the comment
now says why: making it exact was built and measured WORSE (it stops at the
last member that fits whole and the released bytes carry forward to
lower-ranked files, costing payroll-go's `s.store.Upsert`). `bound()` clamps to
the ceiling anyway, so the slack costs no bytes; it just must not pick the
survivors, which is what the trim now handles.

The measurement gap this closes: every existing probe is aggregate — envelope
share, per-file spend, source totals, file counts — and all are green on a
response that returns 25K from the right file and omits the named function.
`probe-named-symbol.mjs` checks the definition LINE against the response's
rendered lines, per symbol.

Suite envelope byte-identical to main on all six repos; probe-allocation 4/4,
no starvation flags; 180 files / 2,997 tests green. Fixture: 7/7 fail on main,
7/7 pass here, deterministic over 4 runs per arm.
2026-08-06 21:11:51 -05:00
Colby MchenryandGitHub 969ea1ec37 Merge pull request #1525 from colbymchenry/feature/CG-24
CG-24: explore response noise — allocation fixes, generated-file detection, and index-drift convergence
2026-08-06 20:34:28 -05:00
Colby McHenryandClaude Opus 5 07338ff12e docs(benchmarks): record CG-38 as open, and correct the regression claim
The epic record said nothing was open. CG-38 is: agent-named symbols in the
tail of a large file never render, which the epic's probes cannot see because
none of them measures whether the named symbol appeared.

Also corrects a wrong claim made while investigating it. The epic was said to
have regressed its own motivating query; that comparison varied the index as
well as the engine. A controlled bisect holding the index fixed shows the
pre-epic engine rendering 12 lines and CG-36 rendering 463 — the epic strictly
improves the case, and the symbols render at neither.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 20:29:14 -05:00
Colby McHenryandClaude Opus 5 8a4623463d merge: shrink a later cluster into the remainder instead of dropping it (CG-36)
A file whose top-ranked cluster was trivial kept it, dropped the cluster
carrying the answer WHOLE, and left most of its reservation unspent — because
only the first-chosen cluster could be shrunk. CG-31's carry-forward then
correctly handed that slack down the rank order, so the budget was not merely
unspent but REDIRECTED to weaker files.

django's sql/query.py (score 83, reserved 7,947) went from 1,923 delivered
chars to 10,082, and its envelope share from 7.7% to 40.4%; contrib/admin/
filters.py (score 18) went from 8,057 at 355% of its reservation down to 2,198
at 97%. All 8 starvation flags across the suite clear. Net +1,012 source chars.

The issue named the wrong fix point and the measurement said so: both real
cases lost on maxImportance, NOT on the density tiebreak the issue and its
duplicate (CG-37) suspected. Cluster ranking was left untouched, so the
Session.swift case density-first exists for still works — now pinned by a
dense-header fixture.

Accepted cost: okhttp trades its rank-6 file (score 21, reserved 1,999) for
+7,196 chars in the two files that answer the question, taking it from 6
delivered files to 5. django -159, okhttp -219 and tokio -25 source chars
against the epic tip; gin +1,176, alamofire +187, excalidraw +52. django also
stops cutting its epilogue.

Ships probe-file-spend.mjs, a standing suite-wide probe for reservation vs
spend, so this stays measurable — the original evidence came from ad-hoc
instrumentation that no longer existed and had to be re-derived by hand.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 15:17:41 -05:00
Colby McHenry 10f1ac601a docs(benchmarks): record the CG-36 cluster-starvation measurement
The issue blamed the density tiebreak; both real cases lost on maxImportance,
so ranking was left alone. Full before/after table, the one cost (okhttp's
rank-6 file, squeezed out by reservations that were already structurally
over-subscribed), and what ships to keep it measurable.
2026-08-06 15:13:35 -05:00
Colby McHenry eed16447c3 fix(explore): shrink a later cluster into the remainder instead of dropping it (CG-36)
A file's ranked clusters were all-or-nothing past the first one: the top-ranked
cluster was taken (shrunk to fit when it had to be) and every cluster below it
was rendered whole, then either fit the remainder or was dropped entirely. On a
file whose top-ranked cluster is TRIVIAL that discards the answer — django's
`db/models/sql/query.py` kept a 22-line glue cluster and dropped the 624-line
`Query` body, spending 1,923 of a 7,947 reservation; okhttp's
`RealInterceptorChain.kt` did the same behind its import header.

The response stayed full, which is why this was invisible: the unspent
reservation carried forward exactly as designed and a file scoring a fifth as
much took the bytes.

Two sites, the same rule — hold the remainder while it is still worth a section
(CG-26's between-FILES lesson, applied between CLUSTERS):

- selection now shrinks a later cluster into what is left of the file's budget,
  by the same whole-member rule the first cluster already used;
- the ceiling trim re-renders the weakest cluster into the room that remains
  before dropping it. On excalidraw's `typeChecks.ts` the section-cost estimate
  missed by 13 chars and a 1,512-char cluster — the file's highest-SCORING one —
  was thrown away to pay for it.

Cluster RANKING is untouched: measured, both real cases lost on `maxImportance`,
not on the density tiebreak the issue suspected, and density-first is what keeps
Alamofire's `Session.swift` from burying its methods under the property list.

Suite (6 repos, clean-rebuilt indexes): all 8 starvation flags cleared,
+1,012 source chars net. django's `sql/query.py` 1,923 -> 10,082 of 7,947,
okhttp's `RealInterceptorChain.kt` 1,474 -> 6,038 of 6,058, gin's
`routergroup.go` 3,273 -> 5,632. okhttp trades its rank-6 file (score 21) for
+7,196 chars in the two files that answer the question.

Ships two fixtures pulling in opposite directions (`starved-cluster-ts` and
`dense-header-ts`), a `spendShareAtLeast` gate in probe-allocation, and
probe-file-spend.mjs — a standing per-file reservation-vs-delivered sweep.
2026-08-06 15:10:46 -05:00
Colby McHenryandClaude Opus 5 76ab1fe130 docs(benchmarks): record the CG-24 epic resolution
Four shipped fixes, one open defect (CG-36), and five issues closed because
measurement contradicted them. The headline is that the reported symptom was
not an explore bug at all — it was a degraded index (CG-33), and the reported
query answers correctly on a clean rebuild with no explore change.

Records the two traps that cost real time and are now guarded in tooling: the
nonexistent .codegraph/graph.db path that sqlite3 silently creates, and
ab-new-vs-baseline.sh swapping src/ mid-run so a commit captures baseline
sources.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 14:46:11 -05:00
Colby McHenryandClaude Opus 5 ed6c56f3fa merge: damp undepended-on ambient declaration files on flow queries (CG-28)
Both halves of the issue were measured on a hermetic fixture of four
declaration-shaped files varying on banner and depended-on-ness.

CG-25 already handles the motivating file: the Wrangler worker-configuration.d.ts
that opened this issue is demoted by the generated penalty alone, worth 15-46
points of envelope share across four flow queries. No new mechanism for it.

The narrower gap is real. A declaration file with NO banner carried pen 1.00,
took rank #1 and 51% of delivered source on a prose flow query, and displaced
the flow's own entry file out of the response entirely.

The rule is deliberately narrow, and both conditions were derived by survey
rather than guessed. 'Declares no callable and calls nothing' flags 1.1-18.0%
of files across the corpus and catches real source — okhttp's SocketPolicy.kt,
tokio/src/runtime/mod.rs, Alamofire's umbrella file, django's locale format
tables. Requiring every symbol to be type-level drops that to 0-4%. The
'nothing depends on it' condition was added after the broader version demoted a
pure-interface file with 13 inbound imports and broke the CG-31 displacement
gate — a different invariant entirely.

Does NOT stack with the generated penalty: rankPenalty takes Math.min of the
two, so a file that is both takes the stronger, never the product. A query that
NAMES a declaration symbol exempts its file entirely, so asking about a type
still reaches it at full weight.

Six-repo envelope is byte-identical to the pre-change tip — the rule does not
fire on any benchmark repo, consistent with the 0-4% survey.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 14:40:25 -05:00
Colby McHenryandClaude Opus 5 9efae0f8f2 fix(explore): damp ambient declaration files on flow queries (CG-28)
A file that declares nothing but types and that nothing in the index depends
on — a hand-written ambient `.d.ts` of global shims, vendored typings, module
augmentation — cannot answer a flow question: no bodies, no call edges, no
behaviour, nothing typed by it. But the identifiers it declares are exactly the
generic ones a prose question uses (`Body`, `Message`, `ImageMetadata`,
`ReadableStream`), so on term overlap it out-scored the implementation. Measured
on the new fixture: rank #1 and 51% of delivered source, with the flow's own
entry file pushed out of the response entirely.

Measured first, per the issue: the Wrangler `worker-configuration.d.ts` that
opened this is already handled by CG-25's banner detection, worth 15-46 points
of envelope share across four flow queries. CG-25 credited; only the un-bannered
case needed anything.

`rankPenalty` now multiplies score and graph mass by 0.5 for such files, taken
as the STRONGER of it and the generated penalty rather than multiplied — one
property two signals see must not be charged twice. Detection is structural, not
by extension, and four conditions deep. Two of them were forced by measurement:
requiring every symbol to be type-level takes the corpus flag rate from 1-18%
(which swept in Kotlin sealed classes, Rust mod.rs re-exports and django's
locale tables) down to 0-4%; requiring that nothing depends on the file
separates an ambient shim from a working types module, and without it the rule
demoted displacement-ts's pipeline `types.ts` and broke the CG-31 gate.

A query that NAMES a declared type is exempt, so a question about a type still
reaches its declaration at full weight. Precise tokens only, so "…the file
body…" cannot exempt a `Body` interface it never meant to name; this needs its
own set because `namedSeedIds` is callable-only and a type never becomes one.

Regression evidence in docs/benchmarks/explore-declaration-only-cg28.md:
6-repo envelope sweep byte-identical against a clean baseline build, zero
ambient files reach the candidate set on VS Code across five queries, corpus
flag rate 0-0.74%, both allocation fixtures PASS, full suite 2,978 green.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 14:35:56 -05:00
Colby McHenryandClaude Opus 5 463f6e7844 merge: factory-closure envelope premise measured and rejected (CG-27)
CG-27 proposed adding function/method to ENVELOPE_KINDS so a factory closure
spanning most of its file stops merging every inner symbol into one cluster.
The issue required the ranking claim be measured before any fix. It was, on a
hermetic fixture built to make the pattern maximally visible, and it does not
hold — nothing shipped to src/.

The literal change is a large regression: dropping the enclosing range SPLITS
the file into a trivial cluster (a type alias plus a helper, span 7) and the
answer-bearing one (every closure, span 359). Cluster ranking breaks the equal
maxImportance tie on density, so the trivial cluster wins, is taken first, and
is the only one that may be shrunk; the answer-bearing cluster then does not fit
and is dropped whole. Rank #1 fell from 7,539 delivered chars to 397, and from
7 of 11 inner closures to 0. The enclosing range was holding the file together
as one cluster, inside which shrinkCluster already did the per-symbol ranking
the issue asked for.

A better mechanism reaching the same intent — deferring the envelope member
inside shrinkCluster, leaving clustering untouched — is noise: 69 vs 68 inner
definitions across nine query shapes, one better, one worse, seven unchanged.

The one configuration where the envelope IS selected (the factory as sole
top-tier member) is already absorbed by CG-30, which windows it on whole lines:
a contiguous readable head carrying 6 of 9 closures, bounded and never empty.

Kept: the fixture, the deterministic probe, and the measurement record.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 14:11:01 -05:00
Colby McHenry 91cb5b4317 measure(explore): the factory-closure envelope premise does not hold (CG-27)
CG-27 asked whether the >50%-of-file envelope drop should cover `function` /
`method`, so a `createFoo()` factory returning an object of closures stops
merging every closure inside it into one cluster. Measured on a hermetic
fixture, it should not, and the issue is closed as obsolete with CG-30 credited.

Two mechanisms already absorb the shape. shrinkCluster orders members by
(importance desc, size ASC) and refuses any member that overruns the cap once
something is kept, so a file-spanning member is only selected when it is the
sole member of the top importance tier — eight of nine query shapes never
selected it at all. When it IS selected, CG-30 windows it on whole lines, so
the file still delivers bounded, readable source (6 of 9 closure definitions
in that configuration).

Dropping the range instead SPLITS the file, and only the first-chosen cluster
may be shrunk: a trivial 7-line cluster won the density tiebreak and the
answer-bearing cluster was dropped whole — rank-#1 file 7,539 chars and 7 of 11
closures to 397 and none. Reaching the same intent more carefully (defer the
envelope MEMBER inside shrinkCluster, leaving clustering untouched) is noise:
69 vs 68 closure definitions across nine query shapes. Nothing shipped.

Adds the fixture, the probe, a standing gate on the outcome, and the record —
including a real defect the measurement exposed on the epic tip: django's
query.py leaves 8,212 of 10,135 unspent and drops a score-290 cluster to keep a
score-14 one. Filed separately.

No behaviour change, so no CHANGELOG entry.
2026-08-06 14:07:22 -05:00
Colby McHenry d49265043c test(explore): add the factory-closure fixture and its selection probe (CG-27)
A file whose top-level symbol spans almost all of it — createFoo() returning
an object of closures — is how Svelte 5 rune stores, React custom-hook modules,
IIFE module-pattern JS and Zustand's create((set,get)=>({…})) are all written.
probe-factory-closure.mjs measures what such a file DELIVERS from within: which
inner symbols' definitions reach the agent, not how many bytes did.
2026-08-06 13:58:36 -05:00
Colby McHenryandClaude Opus 5 dc4fd755ef merge: recognize Wrangler-style generated banners (CG-25)
A generated Cloudflare Wrangler ambient-types file was not flagged generated, so
it ranked with no penalty and competed with hand-written source on generic token
overlap. The banner shape it uses — "Generated by <tool> by running <command>" —
matched none of the existing content patterns, all of which require DO NOT EDIT,
a standalone @generated, or the "auto(matically) generated by" phrasings.

Precision is held by requiring TWO 'by' clauses: the banner must name a tool and
then say 'by running'. Ordinary prose ("the report is generated by running the
nightly job") has only one and does not match.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 11:17:15 -05:00
Colby McHenryandClaude Opus 5 8bb0f53bca merge: explore allocation — bounded overshoot, displacement guard, exact budget (CG-30, CG-31, CG-26)
Lands the three-branch allocation stack. Every admitted file now receives at
least its reservation before any file draws on carry-forward slack, on every
render path — cluster, whole-file GRACE, and whole-file BUY.

CG-30 bounded how far an oversize cluster member may overshoot (windowed on
whole lines past 1.5x rather than emitted whole or dropped). CG-31 gave the
cluster path the `owedBelow` displacement guard the BUY arm always had, holding
back only the prefix of what is owed below that the response can actually pay.
CG-26 closed the three remaining holes: the whole-file arms had no displacement
guard at all, section overhead was charged at a flat 200 against a real 300-500,
and `owedPayableBelow` held all-or-nothing where it should hold partially.

Deterministic across the 6-repo suite, clean-rebuilt indexes, both builds: no
repo truncates, no repo loses a file, okhttp gains one, and every repo lands at
or under the 25,000 hard ceiling.

Accepted trade (maintainer decision): excalidraw -552 and okhttp -164 source
chars against the CG-31 tip, in exchange for the trailing pointer list surviving
instead of being discarded whole. Those bytes existed at the CG-31 tip only
because it over-filled a ceiling it mis-measured and then dropped the entire
epilogue; a pointer the agent can act on beats a few hundred chars on the
last-ranked file.

Two issues opened during this work were closed as invalid rather than fixed:
CG-32 (named-file ordering) and CG-34 (allocator over-reservation). Both were
filed on diagnoses that did not survive measurement — CG-32's symptom was index
drift (CG-33), and CG-34's premise was overturned by CG-31's own results.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 11:17:15 -05:00
Colby McHenryandClaude Opus 5 57e0854213 fix(explore): recognize Wrangler-style "generated by … by running" banners (CG-25)
Cloudflare Wrangler's `worker-configuration.d.ts` (~12k lines of ambient
types) carried no banner any GENERATED_CONTENT_PATTERNS entry matched:
every existing marker requires `DO NOT EDIT`, a standalone `@generated`,
`<auto-generated>`, or the literal `automatically/auto-generated by`
phrasings. Wrangler emits a bare `Generated by Wrangler by running
`wrangler types``, so the file ranked with pen 1.00 and won 79.4% of an
explore envelope on generic token overlap alone (CG-24).

The discriminator is the reproduction instruction, not the word
"generated": the banner must name a tool AND then say `by running`, i.e.
two separate "by" clauses. That keeps prose out — "the nightly summary is
generated by running the ETL job" has only one — while catching every
CLI-driven emitter that tells you how to regenerate.

Precision swept over 441,856 files across the whole local source tree: 5
hits, all genuine Wrangler output, no false positives.

Isolated before/after on the CG-24 repro (same query, same index, only
the `files.generated` flag differing):

  before  pen 1.00  score 115.0  share 79.4%  3 files rendered
  after   pen 0.30  score  35.4  share 21.1%  4 files rendered

The new pattern stays in the existing table position, below the header
window the detector scans, so the module still does not classify itself.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 04:54:05 -05:00
Colby McHenryandClaude Opus 5 02ee151e46 CG-35: give the sync-convergence suite teeth against the rebind pass
The suite passed unchanged with `CODEGRAPH_NO_REBIND=1`, so the larger half
of CG-33 — the rebind pass — had no coverage at all.

The cause was the ground truth, not the cases: `rebuildEdgeSet` called
`indexAll()` on the live handle. That is not a rebuild. Every file hashes
identical, so the store writes nothing (`nodesCreated: 0`), no reference is
re-created, and every edge survives — the comparison read the synced index
against itself and could never fail. It now goes through `CodeGraph.recreate`,
which deletes the database file the way the CLI's `index` command does.

With a real rebuild, three existing cases fail under the kill switch. Adds two
more for the rules that carry the risk:

- an edge with no `refName` stamp (older engine) and a synthesized
  (`provenance='heuristic'`) edge are never deleted — both planted directly,
  and each verified load-bearing by mutation;
- a name over the 500-edge ceiling is declined losslessly rather than
  rebound in part, with a rare name in the same sync as the control that
  proves the pass ran.

The per-file-vs-batch-wide delta rule is likewise confirmed by mutation: a
batch-wide name set fails its case.

CODEGRAPH_NO_REBIND=1 now fails 4 cases; unset is green; full suite green.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 04:45:37 -05:00
Colby McHenryandClaude Opus 5 03893b0ab9 CG-33: converge incremental sync with a full rebuild
A live, auto-synced index did not converge to a clean rebuild of the same
tree — 4.3% of distinct edges wrong in both directions on this repo's own
index, overwhelmingly `calls`, which is what flow queries traverse and what
explore's file ranking weights. Silent: nothing warned, and the symptom read
as "codegraph isn't very good" rather than "this index needs rebuilding."

Two causes, and the fix needed both. Resolution binds a reference to one of
the same-named definitions PROJECT-WIDE, so a definition appearing or
vanishing changes the correct answer for references in files the sync never
touches — and those references resolved successfully once, which deletes
their unresolved_refs row, leaving nothing to revisit them with (#1240's
retry only revisits refs parked as failed). Separately, when nothing
disambiguated the candidates the winner came down to rowid, i.e. the order
files happened to be WRITTEN, which differs between a scan-order full index
and a sync that appends each file as it changes. That second one is why
re-resolution alone could not converge: re-resolving against the identical
graph still picked a different candidate.

So getNodesByName now orders by (file_path, start_line) — a property of the
code, not of the write order — and sync computes a definitionDelta and
re-opens the resolution edges whose answer it may have invalidated,
re-inserting each as the reference that created it for the orphan sweep to
bind against the post-sync graph.

The delta compares `file\0name` pairs per file rather than one name set over
the batch: a commit that adds `collect` to a new file while an unrelated
changed file already defines `collect` cancels out of a batch-wide set, and
that miss was the largest residual class in the first measurement.

Conservative where the failure modes are asymmetric — a wrong deletion is a
permanent edge loss, a missed rebind is only residual drift. Edges without a
refName stamp are never touched (nothing to restore them from), sources the
sync already re-extracted are skipped, and a per-name ceiling declines the
generic names. Edges are deleted before the sweep re-inserts, since
INSERT OR IGNORE against idx_edges_identity would otherwise keep both rows
when a reference rebinds elsewhere.

Replaying real commits of this repo through sync, then diffing against a
rebuild: 16 commits 48 -> 0; 80 commits 1,634 -> 361, with the actively
misleading direction (stale edges the index keeps asserting) 671 -> 2.
Index and sync wall-clock are unchanged; the ORDER BY costs 18% per uncached
name lookup, which never reaches wall-clock because the resolver memoizes it.

The 357-edge residual at 80 commits is one pre-existing class: refs to
generic names (`push`, `join`) parked above #1240's per-name retry ceiling,
which a rebuild resolves into cross-language garbage — a TS test file
"calling" an R method. Converging there would mean manufacturing wrong edges,
so it is left alone. And no drift metric in `codegraph status`: it cannot be
computed without the rebuild it would be recommending, and a proxy would fire
on that residual and train users to ignore it.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 04:32:40 -05:00
Colby McHenryandClaude Opus 5 5f32478b57 docs(benchmarks): record the CG-26 A/B — the invariant holds on every path
Deterministic 6-repo table, the three agent A/Bs (django, excalidraw, okhttp,
2 runs/arm, Read 0 in all 12 runs), and an honest read of the two repos that
deliver a few hundred fewer source chars: at the CG-31 tip both were over-filled
by the flat-200 section overhead and paid for it by discarding their epilogue
whole.

Also: CHANGELOG entries for the two user-visible changes, and the memory note
now carries the fourth accounting gap plus the two lessons — hold the REMAINDER
when a full reservation no longer fits, and never skip a file over an accounting
difference.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 03:58:18 -05:00
Colby McHenryandClaude Opus 5 7cbde95ce2 fix(explore): pay every admitted file on every render path (CG-26)
The invariant this closes: every admitted file receives at least its
reservation before any file draws on carry-forward slack. CG-30 bounded an
oversize cluster member and CG-31 gave the cluster path a displacement guard;
three holes were left, and each one starved a file that had been admitted,
reserved and — in the worst case — rendered.

1. The whole-file arms had no displacement guard. BUY's fit test read
   `renderCeiling - totalChars` (everyone's room) while its source-space
   sibling refused the same trade, and GRACE was not fit-tested at all.
   okhttp's CallServerInterceptor.kt shipped 8,499 chars on a 5,964 funded
   ceiling and the rank-6 file below it delivered nothing. Both arms now test
   the render they actually produce against `fundedHeadroom`, and a whole
   render that does not fit falls through to clustering instead of skipping
   the file.

2. Every section was charged a flat 200 chars while a real header runs
   300-500. The loop believed it had room it did not have — okhttp allocated
   26,601 against a 24,400 ceiling — so the final truncation threw a
   fully-rendered section away. Sections are charged their real cost now, the
   owed-below arithmetic uses a per-file overhead estimated from the file's own
   symbols, and a marginal overrun trims the weakest cluster (or windows the
   last one into the room that is left) rather than skipping the file over a
   rounding difference.

3. `owedPayableBelow` held all-or-nothing. When the last admitted file's FULL
   reservation no longer fit, nothing was held for it: on the precise-query
   fixture the rank-5 file took 4,134 chars against a 2,948 reservation while
   rank 6 — admitted, reserved 2,539 — was left 4 chars and skipped. It now
   holds the remainder while that remainder is still worth a section
   (MIN_CHARS).

And the epilogue is budgeted instead of discarded. The flat 600-char margin was
neither the epilogue's size (1,064 gin, 1,788 django, 2,231 excalidraw) nor a
bound on it, so four of six suite repos shipped with no pointer list and no
reminders at all. The loop now reserves the epilogue's FLOOR — the one line
that says an uncovered area exists, plus a pointer for every file whose bytes
were deliberately withheld (CG-12) — and the rest is fitted to the room that
actually remains, in priority order, entry by entry. Sized from the real
strings; no constant was swept against the suite.

Deterministic, same clean-rebuilt indexes, baseline = CG-31 tip:

  repo         base source   new source   files      ceiling
  django            20,791       20,878   6 -> 6     was discarding its epilogue
  tokio             21,521       21,607   5 -> 5     was discarding its epilogue
  okhttp            19,034       18,870   5 -> 6     +1 file delivered
  excalidraw        20,204       19,652   8 -> 8     keeps its pointer list
  gin               10,776       10,776   4 -> 4     byte-identical
  alamofire         11,662       11,662   2 -> 2     byte-identical

No repo truncates any more and none loses a file. okhttp and excalidraw trade
164 and 552 source chars on their LAST-ranked file for the pointer list naming
what the response could not cover — bytes the CG-31 tip only had because it
over-filled a ceiling it mis-measured and then discarded the epilogue whole.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 03:45:28 -05:00
Colby McHenryandClaude Opus 5 c54e0080c2 fix(explore): keep the drift warning out of the cuttable epilogue (CG-31)
The '⚠ changed on disk after the last index sync' banner is an honesty claim
about source we DID render — line refs elsewhere in the response may be
shifted — not a note about the response. Drawing the epilogue boundary after
it means the size cut can never be what silences it. Suite numbers unchanged.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 03:15:06 -05:00
Colby McHenryandClaude Opus 5 be7c968439 docs(benchmarks): record the CG-31 A/B — no regression, four repos stop truncating
Deterministic (6 repos, clean rebuilds, both builds): four deliver more source
and one more file each, two are byte-identical, none deliver less. Agent A/B
(django n=3, okhttp n=2, gin n=2, sonnet/effort high, both arms codegraph-on,
0 contamination): the new arm is faster on all three, Read at or below
baseline, occupancy lower.

Also records the two corrections the suite forced on the first cut of the
guard, and the two residuals CG-26 inherits — the render loop's 600-char
epilogue margin (a sweep was run and deliberately NOT shipped) and the BUY
arm's source-space-only guard.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 03:12:30 -05:00
Colby McHenryandClaude Opus 5 f1fecb8232 fix(explore): fund the guard from room that exists, and cut the epilogue first (CG-31)
Two corrections found by measuring the first cut of the guard against the
6-repo suite. The first version held back the FULL sum of the reservations
below a file. On django that took 2,319 chars off a file the agent receives
and handed them to a section the hard ceiling then threw away — the guard's
own failure mode, one layer down. tokio lost 1,298 the same way.

1. `owedPayableBelow` — hold back only the prefix of what is owed below that
   the response can still PAY, in rank order. A promise the ceiling cannot
   reach is not a claim on this file's bytes.

2. The final truncation now spends the EPILOGUE before it spends a rendered
   file section. It used to cut at the last section header, dropping that
   section AND the trailing notes; dropping the notes alone is almost always
   enough. A section is source the agent otherwise has to Read; the epilogue
   is a pointer list and two reminders, and the note that replaces it carries
   the "explore these names" instruction forward.

Also count `flow.text` in `totalChars`. It is prepended to `lines` to make the
final output, so the render loop always spent against a ceiling it was ~2K
under on symbol-bag queries.

Deterministic, same clean-rebuilt indexes, both builds (baseline = CG-30 tip):

  repo         base source   new source      files
  django            20,033       20,791   5 trunc -> 6
  excalidraw        18,776       20,204   7 trunc -> 8
  okhttp            15,628       19,034   4 trunc -> 5
  tokio             20,340       21,521   4 trunc -> 5
  gin               10,776       10,776   4 -> 4   (byte-identical)
  alamofire         11,662       11,662   2 -> 2   (byte-identical)

No repo delivers less; four stop truncating. `funded` in the diagnostic now
reports the render CEILING the guard allows, which is what every render path
is actually bounded by.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 02:59:46 -05:00
Colby McHenryandClaude Opus 5 089dcc276f fix(explore): hold back what is still owed below a clustered render (CG-31)
Carry-forward slack let a file spend what the files ABOVE it left on the
table. Nothing held back what was promised BELOW it. The whole-file BUY arm
has always refused that trade (`owedBelow`); the cluster path read `headroom`
— what is left before the hard ceiling — instead of what is still owed, so
`fileBudget` and `SPINE_CEILING` could pay a 1.5x overshoot out of another
file's reservation.

`fundedHeadroom` is the same inequality in the units the cluster path spends
in: source PLUS the per-section overhead each unreached file will charge.
Floored at the file's own reservation — a kept promise is not a displacement —
and it is <= `headroom` by construction, so it is the only bound the three
render sites need. The skeleton path's `bodyCap` takes it too.

Measured on `__tests__/fixtures/displacement-ts` (a 4-stage pipeline padded
past 500 files, where the 24K envelope genuinely saturates the 24.4K render
ceiling):

  before  ingest.ts emitted 9,301 on a 6,289 spendable, then lost the whole
          section to the final ceiling — 0 delivered. types.ts and sink.ts
          skipped `budget-whole-file`. 3 of 6 admitted files delivered.
  after   ingest.ts bounded to the 4,913 actually free. 6 of 6 delivered,
          envelope 14,908 -> 22,066.

The self-query allocation fixture flips back to PASS with it, on a clean full
rebuild of this repo's index (CG-33). Its `afterCG30` verdict blamed an
over-RESERVED incidental file; the reservation was identical in both arms —
the file was over-SPENDING. Recorded honestly in `afterCG31`.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 02:44:59 -05:00
Colby McHenryandClaude Opus 5 0d014a6582 docs(benchmarks): record the CG-30 A/B — deterministic win, no behavioural regression
Primary evidence is deterministic: on django, query.py rendered 2.12x its budget
on main and 1.49x with the bound, and the freed bytes reach the files below it
(+2,104 chars of source in the same five files). gin is a true control — the two
builds emit byte-identical explore output there, which is what makes its agent-run
deltas variance by construction.

Also records the harness trap that voided the first two batches: ab-new-vs-baseline
swaps src/ to the baseline ref mid-run, so a commit made while it runs captures
baseline sources. Check the "changed:" line before believing any run.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 02:26:22 -05:00
Colby McHenryandClaude Opus 5 cd1ea27ea8 fix(explore): restore the CG-30 bound d652c14 reverted
d652c14 was committed while an ab-new-vs-baseline run had the engine checked out
at the BASELINE ref — that harness swaps src/ files mid-run and restores them on
exit — so it captured main's tools.ts and explore-diagnostics.ts and silently
undid 765c06a. Restored from 765c06a, with d652c14's doc tweak re-applied.

The A/B runs started after that commit are void with it (their "changed:" line
lists only explore-diagnostics.ts, i.e. both arms ran the same retrieval code)
and are re-run rather than reported.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 02:08:28 -05:00
Colby McHenryandClaude Opus 5 d652c148f6 docs(cg-30): changelog entry + record the self-query probe flip honestly
The self-query allocation probe fixture's delivered-share gates now fail. The
cause is not the new bound: allocation is unchanged between arms (parse-run.mjs
32.3% vs 33.9% on main) and tools.ts delivers the same 8,282 chars in both. What
changed is that the incidental file now DELIVERS — on main its whole section was
cut by the hard-ceiling truncation, so the fixture passed on truncation luck.
Every file on this repo obeys the new bound (max 1.40x of spendable).

Recorded as `afterCG30` with that reasoning rather than tuning the bound to
restore the pass. The over-reservation it exposes is epic CG-24's subject.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 01:47:02 -05:00
Colby McHenryandClaude Opus 5 765c06aa40 fix(explore): bound how far an oversize cluster member may overshoot (CG-30)
shrinkCluster keeps an oversize cluster's highest-importance member WHOLE on
purpose — an empty file section sends the agent to Read, the outcome explore
exists to prevent. What it lacked was a bound, and "never empty" quietly meant
"never bounded": on the reporting repo one file emitted 22,376 chars against a
9,181-char reservation (2.44x), past both the per-file budget and the spine
ceiling. That overshoot is what collapses `headroom` for every file below it.

The same rule has a second face. When the top member is bigger than the whole
response ceiling, the file does not overshoot — it is dropped entirely at the
renderCeiling check, so the agent gets nothing for a file it named.

renderCluster now takes a ceiling (1.5x what the file may spend — the same
multiple SPINE_CEILING already draws, and never below the cap, so a cluster
that fits is untouched). Past it the member is WINDOWED on whole lines rather
than emitted whole or dropped: leading window plus, on a flow cluster, a window
on the spine's call site. A partial window shorter than 12 lines is dropped
instead — a sliver in the session record forces the next call's dedup to shred
the block around it or re-send it — unless nothing else was emitted, where the
never-empty floor wins.

Measured on the new fixture, pre-fix vs post-fix:
  monthly.ts    12,391 chars on a 3,334 budget (3.7x)  →  4,941 (1.48x)
  quarterly.ts  dropped, no headroom left               →  4,004 delivered

Also: the diagnostic now reports `spendable` (reservation + inherited slack)
alongside `reserved`. Every render bound reads the former, so reporting only
the latter makes an ordinary carry-forward read as a file spending over budget
— and it made the overshoot this issue is about unmeasurable. A windowed file
is now flagged `clipped` too, instead of presenting a window as the whole file.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 01:44:45 -05:00
Colby McHenryandClaude Opus 5 2cf63fd114 CG-33: record index-drift measurement and add a drift diff tool
A live, auto-sync-maintained index does not converge to a clean full
rebuild of the identical tree. On codegraph's own repo, 4.3% of distinct
edges are wrong in both directions (751 missing, 476 stale), dominated by
`calls` — the edges flow queries traverse and that feed the RWR mass
explore ranks files by.

Raw edge rows differ by only +0.7%, because the divergence is
bidirectional and nets out; any drift check must compare edge SETS.
Rebuild-vs-rebuild is 0, so the indexer is deterministic and this is not
noise. Node sets are identical and every integrity check is 0 on both
indexes, so this is stale cross-file resolution, not accumulated residue.

`diff-index-drift.mjs` is read-only and takes two index paths — rebuilding
is the caller's job, so the tool can never clobber the artifact it is
measuring. It also refuses a missing path, since node:sqlite creates an
empty database rather than failing and an empty schema reads exactly like
a stale pre-migration index.

Diagnostic captures from the originating incident are deliberately NOT
committed: they contain verbatim source from a private repo.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-06 01:24:59 -05:00
Colby McHenryandClaude Opus 5 d6d17288be docs(benchmarks): re-derive the token figures the result.usage bug touched
Swept every benchmark doc for figures produced off `result.usage` and fixed
the ones that had raw logs to re-derive from.

residual-context-occupancy.md — the sonnet 3-turn throughput table. Re-derived
from the preserved logs: tokens saved 23% -> 56%, and vscode's "98% MORE tokens
with codegraph" was never real, it is 41% fewer. Cost, time and tool calls were
never affected by this field and are unchanged. The occupancy table itself is
measured off the timeline, so every number in it stands -- including the 82%
higher residual, which is the finding the document exists for.

call-sequence-analysis.md — this doc DIAGNOSED the bug and its reproduce block
claimed the aggregator summed per-turn tokens. It did not, until 04c0f8e. Noted,
with the three wrong results the gap produced: the excalidraw cut recorded here,
the sonnet campaign, and the Opus re-measure that invented a token regression.

answer-directly-vs-explore-agent.md — build 0.9.4, 2026-05-24, raw logs gone.
Cannot be re-derived, so flagged rather than silently left or invented: its
token figure is indicative, its turn/read/context findings do not depend on the
broken field and stand.

The remaining benchmark docs (allocation-ab-1500, dedup-cg20, allocation-
efficiency, feedback-metrics) carry no throughput tables — checked, clean.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 21:36:10 -05:00
Colby McHenryandClaude Opus 5 da1f6121fd docs(readme): benchmark table from the corrected 2026-08-05 re-measure
Re-measured on the CLI-blocked harness at the README's own stated methodology
(claude-opus-4-8, single question, median of 4, same 7 repos), with tokens
summed per turn per 04c0f8e.

What moved, and what did not:

  tool calls  89% -> 88% fewer   holds
  file reads  0 on all seven     holds
  tokens      69% -> 62% fewer   holds
  time        20% -> 53% faster  was badly understated
  cost        60% -> 44% cheaper genuinely lower

Time was the most wrong figure in the old table, in our favour: every repo is
faster with the graph, including the two that previously carried a footnote
excusing them for being slower. That footnote is gone. Cost is the one real
downgrade, and it varies with how much discovery a question demands rather
than with repo size -- 57-78% where the file-reading arm needed 28-43 tool
calls, near-even on Gin at 7. Said plainly instead of averaged away.

Methodology now records that the CLI is blocked in BOTH arms and why: on an
unblocked harness the control reached codegraph through Bash in 26 of 28 runs,
so it was not a control. All 28 attempted it here; all 28 were blocked.

The context-footprint note from a7db24d is unaffected -- occupancy is measured
off the timeline, not the token field that was wrong.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 21:28:25 -05:00
Colby McHenryandClaude Opus 5 04c0f8eab5 test(agent-eval): sum tokens per turn — result.usage stopped being cumulative
"Tokens processed" was read off result.usage. That was correct when the README
figures were measured; in current Claude Code the field reports the LAST turn
only. Nothing here changed — the host did, silently — and the harness kept
reporting the smaller number.

The error is one-sided, which makes it worse than noise: it under-counts
whichever arm takes more turns, and that is always the WITHOUT arm. On the
2026-08-05 campaign it turned a real 62% token saving into 19% and invented a
token REGRESSION on tokio (-41%) and alamofire (-25%) that does not exist. Those
numbers were one push away from the README.

Now summed per assistant request and deduped by message.id, the same rule the
occupancy timeline already used — Claude Code emits one event per content block
carrying identical usage, so summing per event double-counts (~1.7x measured).

CLAUDE.md already warned about this field. The code did not follow; it does now.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 21:27:02 -05:00
Colby McHenryandClaude Opus 5 a7db24d0c0 docs(readme): disclose the context-footprint side of the benchmark
The benchmark table measures throughput -- tokens processed, tools called,
cost to reach one answer. It has never measured what is still resident in the
window afterward, and on that axis codegraph costs more: ~80% more retrieval
context left behind than a file-reading agent, on all seven repos.

That is the axis issue #1500 reported, and it is structural rather than a
defect -- one dense payload that answers the question and stays, versus
grep-and-read churn that evicts. Worth stating plainly next to the cost note
rather than leaving a user to discover it in a long session.

The Opus 4.8 single-question figures in the table are deliberately untouched:
the occupancy campaign ran sonnet / 3-turn, a different regime, and nothing
measured there licenses restating them.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 14:30:34 -05:00
Colby McHenryandClaude Opus 5 48cbc21a17 merge: cross-call explore session dedup (CG-2, #1500)
Never re-serve source this session already sent: session-scoped state (CG-17)
plus a precise back-reference in place of the bytes (CG-18). Duplicated source
drops 6.4% -> 0.74% of the response, at flat cost per call, with more unique
source in its place.

Bar 4 of CG-20 -- "residual occupancy must drop" -- is NOT met, and the gate
records why: CG-18's accepted rule spends reclaimed bytes on files not yet
shown rather than banking them, so a design that re-spends every byte cannot
lower the byte count. The two requirements were mutually unsatisfiable as
written. Bars 1-3 (no extra Reads, no abandonment, no bucket shift) pass across
24 runs on both arms.

Kept on that basis, and cheap to reverse: CODEGRAPH_EXPLORE_DEDUP=0 disables it
at runtime. Full gate: docs/benchmarks/explore-dedup-ab-cg20.md

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 14:29:20 -05:00
Colby McHenryandClaude Opus 5 2cfd321b23 docs: CG-20 — the dedup gate, three bars pass and the fourth cannot (CG-2)
Read is 0 in all 24 runs of both arms across client-go and excalidraw, no
isError, codegraph is the last tool in every run, and both "Read a file we
returned" / "did not return" buckets are empty — with back-references
demonstrably reaching the agent in 8 of the 9 multi-call runs.

Residual occupancy is flat, and the measurement shows it could not have been
anything else: CG-18 was accepted on the rule that reclaimed bytes get spent on
unseen files rather than banked, so the byte count cannot fall. What moves is
the duplicate fraction of that residual — 87% less across the agent runs, 86%
and 94% on two matched deterministic replays.

Also recorded: dedup.savedChars is a pre-clip figure (11,450 reported against
1,042 chars actually re-served), so tuning off it inflates the win ~7x.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 14:11:33 -05:00
Colby McHenry 7a7ea30cbd docs: cross-call dedup — its gates, where the bytes go, and the all-pointer guard (CG-18)
Extends the session-state design doc with the layer built on it: what gates a
withheld span (session, content fingerprint, two size floors, kill switch),
why the fingerprint and not #1474's drift flag, the two channels the
reclaimed bytes leave by, and why "no duplicate ranges across calls" holds
for every call that had something new to say rather than universally.
2026-08-05 13:47:29 -05:00
Colby McHenry ab38d1f090 feat(explore): point at source this session already sent, don't send it twice (CG-18)
A later explore call re-served whatever it re-ranked, so on the #1500 report
the 4th call spent its envelope on the spine the 1st call had already
delivered. CG-17 recorded what was served; this acts on it.

What a withheld span becomes is the whole design: a POINTER, never a silence.
An insufficient-feeling response is what sends an agent to Read, and one or
two of those early in a session teach it to abandon codegraph — so the
replacement names the file, the symbols and the line spans, and says both
that the source came from THIS conversation and that the file has not changed
since.

- Content fingerprint, not the drift flag, gates it. They answer different
  questions: two calls inside one drift window served the same current bytes,
  while a file edited AND re-synced between calls is never "stale" and yet
  the agent's copy is now wrong. An edited file re-emits in full.
- Only a covered run of >= 8 lines is replaced, and a remainder under 160
  chars folds into the pointer. Below those the pointer costs more than the
  source and the block reads as shredded — a fence holding `228\t` is a
  broken-looking response, which is the expensive failure.
- The reclaimed bytes go to files the agent has NOT seen, two ways: a smaller
  `sourceSpent` hands slack down CG-21's carry-forward pool, and a fully
  back-referenced file gives up its maxFiles slot the way a cliffed one does.
  Within a file, the cluster shrink now reads the DEDUPED length, so it never
  drops new symbols to make room for source it isn't sending.
- If dedup suppresses everything and nothing new takes its place, the top
  suppressed file is spliced back in whole. An all-pointer response is the
  shape that reads as "codegraph found nothing"; one re-served file is the
  cheaper mistake.

Kill switch: CODEGRAPH_EXPLORE_DEDUP=0.
2026-08-05 13:47:24 -05:00
Colby McHenry 4e94860f8f docs: the session-state layer — its four constraints and which way to be wrong (CG-17) 2026-08-05 13:24:06 -05:00
Colby McHenry fc31b1e2bf feat(mcp): remember what explore already served this session (CG-17)
Explore answers every call as if it were the first: no record of the files
and line ranges it already sent, so a 4th call re-serves the 1st call's
spine and the tier call budget can only be asked for, never enforced.

Track it per MCP session, per resolved project root — files, coalesced line
ranges, bytes, and the call's index in the session. Nothing reads it yet:
the response is byte-identical, which the suite pins against an untracked
call of the same query.

The daemon shares ONE ToolHandler and a pool of worker threads across every
connected client, so the state can live neither on the handler nor in a
worker. It lives on MCPSession and is handed to execute() per call; the
session's view rides DOWN on the args and the call's emission rides BACK on
the ToolResult, both as plain properties so they survive the structured
clone to and from a worker. execute() records the emission on the main
thread and deletes it unconditionally — including for callers that track
nothing, like the CLI — so it can never reach the wire. A view a client
spells itself is discarded rather than trusted.

Ranges are reported by the render loop itself (buildSection now returns the
spans it slices alongside the text), and only files that survive the final
hard-ceiling truncation are recorded. Where a bound forces a choice the
record keeps FEWER ranges than were emitted: under-reporting re-serves
something the agent has, over-reporting withholds source it never saw and
costs a Read.

Every bound caps detail only — callCount keeps counting past eviction, so
CG-19's decay can't reset itself every 8 calls.
2026-08-05 13:24:06 -05:00
Colby McHenryandClaude Opus 5 5dd4db68cd docs: the occupancy baseline says our residual is higher — write that down (CG-13)
Fills the empty RESULTS placeholder with the 2026-08-05 campaign
(bgjob-6d357cd2: 7 repos x 2 arms x 4 runs x 3 turns, 137 min).

The finding is not the flattering one. Retrieval residual is 82% HIGHER
with codegraph and share-of-context 27% higher, on all seven repos —
vscode 67k resident against 18k. At the same time six of seven
without-arms *process* more total tokens (gin 660k vs 290k) while
leaving less behind. Both are true: one dense verbatim payload stays
resident where many small Read/Grep results evict. This corroborates
issue #1500 on our own harness; the aggregator used to print it as
"-82% lower with codegraph" until the sign bug at 520ed9d.

Also:

- States the regime everywhere. This ran claude-sonnet-5 / 3-turn; the
  README's table is Opus 4.8 / single-question. Measured 24/23/20/84
  against the published 60/69/20/89 — model and turn count, not
  contamination. Records the two inversions honestly (vscode processes
  98% more tokens, django costs 17% more) and that 4 of 28 with-arm
  sessions still touched Read.
- Corrects the "Settled" section, which claimed a 7-repo baseline
  existed before one did, and adds the unclaimed Opus rerun.
- Records the contamination gate: 0 CLI calls returned output in 56
  sessions, but 29 attempts were blocked — 26 of 28 without-arm
  sessions tried. no-cli-shim.sh is load-bearing, not precautionary.
- Records the secondary readings as absolute, not before/after: 86.7%
  allocation efficiency pooled over 110 calls, read-of-a-file-we-
  returned 2%, explore-again 73% and ambiguous by construction.

README.md is deliberately untouched — restating its numbers from sonnet
3-turn data would be wrong. A proposed README paragraph is drafted at
the end of the benchmark doc for the maintainer to accept or reject.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 13:06:51 -05:00
Colby McHenryandClaude Opus 5 520ed9d933 test(agent-eval): report residual direction by sign, not by hope (CG-13)
The occupancy summary hardcoded "% lower with codegraph". pct(w, wo) is the
reduction going with->without, so a negative value means the with-arm's
residual is LARGER -- and the line printed "-82% lower with codegraph" for the
case where codegraph in fact occupies 82% MORE. A double negative that reads as
a win and inverts the headline of the whole metric.

Direction now follows the sign in words, and the negative case says what the
shape actually is: codegraph front-loads one large verbatim payload that stays
resident, where Read/Grep churn many small results that evict. Fewer total
tokens processed and a larger persistent footprint are both true at once --
that pair is the axis issue #1500 reported.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 13:03:08 -05:00
Colby McHenry 382791f11e docs: one entry point for the three feedback metrics, and how to run them (CG-11)
Three per-metric docs told a maintainer what each number means; none said
which one answers which question, which harness produces it, or how to read
the arm table. agent-eval-feedback-metrics.md is that page — the metric →
question map, when to reach for ab-new-vs-baseline.sh (isolates a change,
both arms codegraph-on) versus run-all.sh (with vs without, a different
question) versus bench-readme.sh, the worked CG-22 express table where all
three read together, and the bucket → fix mapping. Not a fourth restatement:
the derivations stay where they are and each doc now points here.

The caveats that change how the summary table is read are carried over rather
than dropped — allocation efficiency is relative (attribution is by citation,
so same-question builds only, and never "codegraph wastes N%"), occupancy
shares are Claude Code / 200k and do not transfer between hosts while the arm
ratio does, sufficient is not correct, small-n throughout. Plus the
contamination row, which means different things in the two harnesses and is
the first thing to look at in both.

Also records that the CG-8 7-repo bucket block no longer re-derives:
bench-readme.sh overwrites /tmp/ab-readme, so the swept logs are gone. The
current logs give a different distribution over the same 62 calls, and the
CG-8-era and current classifiers agree exactly on them — so nothing moved
under the metric, the corpus did. CG-13 re-establishes the baseline.
2026-08-05 00:59:58 -05:00
Colby McHenry 3e8922dfad test(agent-eval): report all three feedback metrics per arm, side by side (CG-11)
The three metrics existed but only run-all.sh printed them, one block per
run. ab-new-vs-baseline.sh — the harness that actually isolates a retrieval
change, both arms codegraph-on — grepped its parse output down to `by type`
and `Result`, so occupancy, sufficiency and allocation never reached the
maintainer running the A/B they were built for.

Both harnesses now print the three blocks under every run and end with one
compare-arms.mjs table: median [min–max] per arm across RUNS, sufficiency
pooled (it is per-CALL, so median-of-run-percentages would weight a 1-call
run like a 5-call one), allocation pooled by bytes and per run. The table is
"did it move?"; the per-run blocks stay the "why?" — only they name the query
that fell short and the file nothing cited. It reproduces the recorded CG-22
express result off logs already on disk: baseline 3/6 calls in the
`Read a file we returned` bucket at 82.0%, new 0/5 at 96.9%.

parse-bench-readme.mjs gets the same two metrics as a with-arm table, so the
CG-13 campaign aggregates all three rather than occupancy alone.

Also folds the CLI-block shim into no-cli-shim.sh and gives it to
ab-new-vs-baseline.sh. There it is not a with/without leak but an attribution
one, and it breaks all three metrics at once: output arriving through Bash is
charged to Bash in the occupancy table, and an explore issued through the CLI
is not a tool call at all, so it never reaches the sufficiency classifier or
the allocation parse. The run silently drops calls from every number.

The daemon pre-warm and the model policy are untouched.

Validated on one live gin arm (2 explores, 0 Read, all three blocks + table)
and against the cg22/cg15 and ab-readme logs. Selftest 68/68.
2026-08-05 00:58:54 -05:00
Colby McHenry fa15d1046a docs: allocation efficiency — the metric, its guards, and the 103-run baseline (CG-9)
Records the sweep over every A/B log on this machine (103 sessions, 297
explore calls, 0 crashes) and, more usefully, the new-vs-baseline arm
table the metric exists for: express 82% → 100%, cg21/client-go 67% →
95%, two pairs going the other way.

States the caveat in the places it can be misread: the corpus median sits
in the eighties because these are flow questions whose answers name most
of the chain, the metric is byte-weighted, and an agent can use a file
without citing it. It compares two builds on one question; it is not an
absolute waste figure.
2026-08-05 00:44:30 -05:00
Colby McHenry db3b8d2a1e test(agent-eval): report what share of explore's bytes the answer used (CG-9)
The envelope view needed a human to say which files answer the question
(`--answer <glob>`). This reads it off the agent's own final answer and
reports one number per run and per call: bytes returned for files the
answer cited, over all bytes returned. That is the #1500 defect as a
number instead of a hunch.

Attribution has two channels, ranked so the weaker one stays separable:
the answer naming the file (reported alone as the conservative floor),
and the answer citing, in a code span, a symbol only that file DEFINES.
Three guards keep the error from leaning optimistic — the direction a
tuning metric must not lean:

  * Only symbols the file defines. Section headers render `name(kind)`
    for call sites too, and crediting those marked excalidraw's
    dragElements.ts used because the answer named `mutateElement`.
  * A definition beats an import alias of the same name (`variable`),
    or `lib/application.js` gets credit for `require('./utils')`.
  * A name on 3+ returned files identifies none of them.

Bare basenames count as citations (agents write `utils.js:225` in prose)
but only for extensions the envelope shipped, so `res.send` and
`mime.contentType` — the same token shape — do not read as files.

Both the envelope view and this share one parse of the rendered markdown
(parseExploreCall), still not the CG-4 sidecar: the sidecar exists only
on a post-CG-4 build and so cannot measure a baseline arm.
2026-08-05 00:42:59 -05:00