chore: align local-first control plane and editor fixes

- wire SQLite control-plane access/session paths into Rust web local-folder routes

- preserve local Markdown attachment semantics across upload, reload, and secondary-pane resource tabs

- refresh design governance docs, Reasonix task templates, and bug records

- retire root .mcp.json local MCP config

.agent-templates/result.md

@@ -0,0 +1,47 @@
+# Result: <title>
+
+## Metadata
+
+- Run ID: `<run-id>`
+- Lane: `<lane>`
+- Worktree: `<absolute-worktree-path>`
+- Branch: `<branch-name>`
+- Worker: `codex-<lane>`
+
+## Summary
+
+Briefly state what changed.
+
+## Completed work
+
+- [ ] ...
+
+## Modified files
+
+- `path`: reason
+
+## Validation performed
+
+```bash
+# command
+```
+
+Result:
+
+```text
+...
+```
+
+## Suggested smoke test
+
+- URL:
+- Actions:
+- Expected result:
+
+## Risks / unfinished items
+
+- ...
+
+## Notes for reviewer
+
+- ...