fix: rename npm package to aicodeman

"codeman" is already taken on npm registry.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package-lock.json

@@ -1,11 +1,11 @@
 {
-  "name": "codeman",
+  "name": "aicodeman",
   "version": "0.2.8",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "codeman",
+      "name": "aicodeman",
       "version": "0.2.8",
       "hasInstallScript": true,
       "license": "MIT",
@@ -32,7 +32,7 @@
         "zod": "^4.3.6"
       },
       "bin": {
-        "codeman": "dist/index.js"
+        "aicodeman": "dist/index.js"
       },
       "devDependencies": {
         "@changesets/cli": "^2.29.8",
@@ -2480,6 +2480,10 @@
         "url": "https://github.com/sponsors/colinhacks"
       }
     },
+    "node_modules/aicodeman": {
+      "resolved": "",
+      "link": true
+    },
     "node_modules/ajv": {
       "version": "8.18.0",
       "license": "MIT",
@@ -3098,10 +3102,6 @@
         "node": ">=12"
       }
     },
-    "node_modules/codeman": {
-      "resolved": "",
-      "link": true
-    },
     "node_modules/color-convert": {
       "version": "2.0.1",
       "license": "MIT",