chore(release): 1.3.0

Ships Nix language support and a batch of fixes staged under [Unreleased],
including the Java/Kotlin (Spring) resolution performance fix (#1180).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@colbymchenry/codegraph",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@colbymchenry/codegraph",
-      "version": "1.2.0",
+      "version": "1.3.0",
       "license": "MIT",
       "dependencies": {
         "@clack/prompts": "^1.3.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@colbymchenry/codegraph",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "Supercharge AI coding agents with semantic code intelligence — surgical context, fewer tool calls, faster answers. 100% local.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",