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feat: Extract type references from annotations and improve symbol query matching

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Adds type annotation parsing to create references edges for parameter types, return types, and variable type annotations in TypeScript and other typed languages. Expands symbol extraction from queries to capture lowercase identifiers and filters out more common English words. Removes obsolete search utility tests.
This commit is contained in:
Colby McHenry
2026-04-03 16:15:44 -05:00
parent d575c945d9
commit 4af51f565b
5 changed files with 141 additions and 150 deletions
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src/installer/claude-md-template.ts
+3 -10
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@@ -16,25 +16,18 @@ CodeGraph builds a semantic knowledge graph of codebases for faster, smarter cod
### If \`.codegraph/\` exists in the project
**Use codegraph tools for faster exploration.** These tools provide instant lookups via the code graph instead of scanning files:
**Use codegraph tools directly in the main session.** Codegraph replaces the need for Explore agents in most cases. Instead of spawning an agent (which takes 30+ tool calls and 1+ minutes), use codegraph MCP tools directly for fast, structured answers:
| Tool | Use For |
|------|---------|
| \`codegraph_context\` | Get relevant code context for a task (great starting point) |
| \`codegraph_search\` | Find symbols by name (functions, classes, types) |
| \`codegraph_context\` | Get relevant code context for a task |
| \`codegraph_callers\` | Find what calls a function |
| \`codegraph_callees\` | Find what a function calls |
| \`codegraph_impact\` | See what's affected by changing a symbol |
| \`codegraph_node\` | Get details + source code for a symbol |
**When spawning Explore agents in a codegraph-enabled project:**
Tell the Explore agent to use codegraph tools for faster exploration.
**For quick lookups in the main session:**
- Use \`codegraph_search\` instead of grep for finding symbols
- Use \`codegraph_callers\`/\`codegraph_callees\` to trace code flow
- Use \`codegraph_impact\` before making changes to see what's affected
**Do NOT tell Explore agents to use codegraph tools.** Testing shows Explore agents use codegraph for discovery then still read all the same files — making them slower, not faster. Codegraph's value is in the main session where it replaces the need for exhaustive file reading.
### If \`.codegraph/\` does NOT exist