docs(agents-md): regenerate hierarchical AGENTS.md knowledge base for v4.1.1

Refresh all AGENTS.md files to reflect codebase state at 5ffbe0e24 (was cd31d2a1a, 197 commits behind).

Key drift corrections across 45 modified + 1 new file:

Root AGENTS.md:
- TS file counts: 1967 -> 2034 in src/ (1337 source + 697 test)
- LOC: 278k -> 292k
- Barrel index.ts: 120 -> 122
- Hook tier composition: 52/59 -> 54/61 (base/with team-mode)
- Tool Guard hooks: 14 -> 16 (add fsync-skip-warning, bash-file-read-guard)
- Add boulder feature, agent-ordering schema, .agents/ directory, v4.1.1 release tag
- Add generated/ directory entry

src/AGENTS.md:
- Subsystem inventory: agents 96->102, hooks 570->581, tools 306->314,
  features 389->400, shared 258->278, cli 150->158, plugin 55->56
- LOC totals refreshed for every subsystem
- Schema files: 32 -> 30

src/hooks/AGENTS.md:
- Tier 2 (Tool Guard): 14 -> 16 hooks, add fsyncSkipWarning row
- Total: 52 base / 59 team-mode -> 54 base / 61 team-mode
- zauc-mocks count: 7 -> 5

src/features/AGENTS.md:
- background-agent: 47 -> 57 files, mention archive fallback
- opencode-skill-loader: 33 -> 30
- tmux-subagent: 34 -> 32

src/plugin/AGENTS.md:
- Tool Guard composer count: 14 -> 16
- Aggregator total: 43 -> 45

src/cli/AGENTS.md:
- Add new boulder subcommand (BoulderState inspector)
- Command count: 6 -> 7

NEW: src/features/boulder-state/AGENTS.md
- Document the new Boulder work tracking feature
- Schema v2 with BoulderState/BoulderWorkState/TaskSessionState
- Lifecycle, storage, integration points with atlas/ralph-loop hooks

All other AGENTS.md files: Generated date 2026-05-08 -> 2026-05-14.

src/cli/AGENTS.md

@@ -1,10 +1,10 @@
-# src/cli/ — CLI: install, run, doctor, mcp-oauth
+# src/cli/ — CLI: install, run, doctor, mcp-oauth, boulder
 
-**Generated:** 2026-05-08
+**Generated:** 2026-05-14
 
 ## OVERVIEW
 
-Commander.js CLI with 6 commands. Entry: `index.ts` → `runCli()` in `cli-program.ts`.
+Commander.js CLI with 7 commands. Entry: `index.ts` → `runCli()` in `cli-program.ts`.
 
 ## COMMANDS
 
@@ -16,6 +16,7 @@ Commander.js CLI with 6 commands. Entry: `index.ts` → `runCli()` in `cli-progr
 | `get-local-version` | Version detection | Installed vs npm latest |
 | `mcp-oauth` | OAuth token management | login (PKCE), logout, status |
 | `refresh-model-capabilities` | Refresh models.dev cache | Model capabilities refresh |
+| `boulder` | Boulder state inspector | Format work-state + tasks from `.sisyphus/boulder-state/` |
 
 ## STRUCTURE
 

src/cli/config-manager/AGENTS.md

@@ -1,6 +1,6 @@
 # src/cli/config-manager/ — CLI Installation Utilities
 
-**Generated:** 2026-05-08
+**Generated:** 2026-05-14
 
 ## OVERVIEW
 

src/cli/doctor/AGENTS.md

@@ -1,6 +1,6 @@
 # src/cli/doctor/ — Health Diagnostics (25 Check Files)
 
-**Generated:** 2026-05-08
+**Generated:** 2026-05-14
 
 ## OVERVIEW
 

src/cli/run/AGENTS.md

@@ -1,6 +1,6 @@
 # src/cli/run/ — Non-Interactive Session Launcher
 
-**Generated:** 2026-05-08
+**Generated:** 2026-05-14
 
 ## OVERVIEW