refactor(loop): extract loop module into dedicated service layer

AGENTS.md

@@ -10,6 +10,16 @@ The forge plugin writes logs to:
 
 This path can be overridden via the `logging.file` configuration option in `forge-config.jsonc`.
 
+## Bundled Skills
+
+The following skills are bundled with the plugin and auto-installed to `~/.config/opencode/skills/` on first run:
+
+| Skill | Purpose |
+|-------|---------|
+| `tdd` | Test-driven development with red-green-refactor loop |
+
+Source files are in `skills/` directory.
+
 ## Project Conventions
 
 - All commits must be meaningful and follow conventional commit standards

CHANGELOG.md

@@ -0,0 +1,8 @@
+# Changelog
+
+## Next
+
+### Changed
+
+- Replaced custom `forge-worktree` workspace adapter with opencode's builtin `worktree` workspace type to fix red-dot/disconnected status in the TUI. Old `forge-worktree` workspace rows in the local DB must be deleted manually.
+- Renamed auto-generated git branches to `opencode/<loopName>` (with `-2`, `-3`, ... suffixes on conflict) at loop completion for better discoverability.

bunfig.toml

@@ -0,0 +1,21 @@
+# Keep in sync with vitest.config.ts:5-24 (vitest-only test includes)
+[test]
+pathIgnorePatterns = [
+  "test/constants/loop.test.ts",
+  "test/deterministic-decomposer.test.ts",
+  "test/hooks/audit-rotate-ordering.test.ts",
+  "test/hooks/loop-decomposing-salvage.test.ts",
+  "test/hooks/loop-decomposing.test.ts",
+  "test/hooks/loop-section-audit-retry.test.ts",
+  "test/hooks/loop-idle-gate.test.ts",
+  "test/hooks/loop-event-gate.test.ts",
+  "test/section-capture-streaming-completion.test.ts",
+  "test/services/execution-decomposer.test.ts",
+  "test/services/orphan-sweep.test.ts",
+  "test/services/execution-restart.test.ts",
+  "test/services/parse-section-summary.test.ts",
+  "test/utils/worktree-cleanup.test.ts",
+  "test/workspace/forge-worktree-list.test.ts",
+  "test/utils/tui-client-workspaces.test.ts",
+  "test/index/session-lookup.test.ts",
+]