Normalize agent instructions and workplan frontmatter (STATE-WP-0067)

- Align agent files with on-disk workplan prefixes (infer from workplan ids)
- Set workplan domain to registered domain_slug; add topic_slug where applicable
- Repair frontmatter delimiter formatting; migrate legacy task status literals
- Regenerate AGENTS.md, CLAUDE.md, and .claude/rules from State Hub templates

.claude/rules/agents.md

@@ -1,15 +1,3 @@
-## Agent entry points
-
-| Runtime | Canonical instructions |
-| --- | --- |
-| **Grok / Codex** (shell) | `AGENTS.md` at repo root |
-| **Claude Code** | This file tree via `CLAUDE.md` |
-
-`AGENTS.md` and `.claude/rules/` are kept in sync for repo-specific content.
-Fleet-wide credential routing is mirrored in `credential-routing.md` and the
-matching section of `AGENTS.md` — re-sync from `~/ops-warden/wiki/CredentialRouting.md`
-when the catalog changes.
-
 ## Kaizen Agents
 
 Specialized agent personas available on demand via the state-hub MCP.
@@ -29,4 +17,4 @@ Common agents:
 | `project-management` | process | Track status, determine next steps |
 | `datamodel-optimization` | quality | Optimize dataclasses and data structures |
 
-All 17 agents: call `list_kaizen_agents()` for the full list.
+All 17 agents: call `list_kaizen_agents()` for the full list.