docs: add extension management guidance

manifest.llm.json

@@ -18,6 +18,19 @@
     "vite_config": "vite.config.ts",
     "generated_manifest": "dist/manifest.json"
   },
+  "documentation": {
+    "agent_instructions": "AGENTS.md",
+    "llm_summary": "llm.txt",
+    "readme": "README.md",
+    "extension_management": "docs/extension-management.md"
+  },
+  "extension_management": {
+    "chrome_profile": "Silma",
+    "forbidden_profiles": ["Profile 1"],
+    "codex_chrome_extension_required": true,
+    "load_unpacked_path": "dist/",
+    "instructions": "Use the Codex Chrome extension with the Chrome profile named Silma. Do not use Profile 1."
+  },
   "commands": {
     "install": "npm ci",
     "codex_setup": "npm run codex:setup",
@@ -62,5 +75,17 @@
     "dist/",
     "node_modules/"
   ],
-  "agent_guidance": "See AGENTS.md for coding and build instructions. Do not edit dist/ directly; rebuild from source instead."
+  "gitea_workflows": [
+    {
+      "path": ".gitea/workflows/build.yml",
+      "trigger": "push to main or pull request",
+      "purpose": "Build and verify the deployable extension output."
+    },
+    {
+      "path": ".gitea/workflows/issue-opened-placeholder.yml",
+      "trigger": "new issue opened",
+      "purpose": "Placeholder workflow that prints 200 okay."
+    }
+  ],
+  "agent_guidance": "See AGENTS.md and docs/extension-management.md for coding, build, and Chrome profile instructions. Do not edit dist/ directly; rebuild from source instead."
 }