docs(codemap): drop stale delegate-task-retry references

The hook was removed in 51a27f2 but the root codemap table and the
.slim/codemap.json hash baseline still pointed at the deleted module.
Remove the three stale hash entries and the dead table row so repository
navigation metadata matches the tree (flagged by Greptile review P2).

.slim/codemap.json

@@ -95,8 +95,6 @@
     "src/hooks/chat-headers.ts": "282ca8c90c7313aa2085470bf0e64ea3",
     "src/hooks/command-hook-utils.ts": "f7ce65b34074d6e489e72be909758524",
     "src/hooks/deepwork/index.ts": "5e44843e7cb88afad6858dda28c5884d",
-    "src/hooks/delegate-task-retry/hook.ts": "310c87963909ab3f40da5a61a50f5df0",
-    "src/hooks/delegate-task-retry/patterns.ts": "5e4919da29af630e4e2ec37df0b58025",
     "src/hooks/filter-available-skills/index.ts": "4278d46c9018b0a86f0e63349f007f4d",
     "src/hooks/foreground-fallback/index.ts": "bff09c691b6cb004781c2d47a69f15df",
     "src/hooks/image-hook.ts": "088893355e67c36fb83833cb426e3091",
@@ -204,7 +202,6 @@
     "src/hooks/apply-patch": "d20e3c103082283c3c126b7e936bc041",
     "src/hooks/auto-update-checker": "afe6d8213cc900b772b9c04ab6a31fd6",
     "src/hooks/deepwork": "b702d56c5521a7e2d8c43cb93cde8846",
-    "src/hooks/delegate-task-retry": "7bd4abeb2dbfc4e7aaed701de08b7509",
     "src/hooks/filter-available-skills": "2f0f2cbced0fbe91931733f645209019",
     "src/hooks/foreground-fallback": "926372a94fc581ef0be0e38a058aa5e8",
     "src/hooks/json-error-recovery": "fbe725b787123f203b78dd8dfd47db67",

codemap.md

@@ -35,7 +35,6 @@ This codemap covers the plugin repository itself and excludes the nested `openco
 | `src/hooks/` | Aggregated runtime hook surface for prompt transforms, recovery logic, task-session aliasing, nudges, and lifecycle policies. | [View Map](src/hooks/codemap.md) |
 | `src/hooks/apply-patch/` | Structured `apply_patch` parsing, matching, recovery, and rewrite pipeline. | [View Map](src/hooks/apply-patch/codemap.md) |
 | `src/hooks/auto-update-checker/` | Startup update detection, cache handling, and optional install prompt flow. | [View Map](src/hooks/auto-update-checker/codemap.md) |
-| `src/hooks/delegate-task-retry/` | Post-tool retry guidance for failed delegation attempts. | [View Map](src/hooks/delegate-task-retry/codemap.md) |
 | `src/hooks/filter-available-skills/` | Skill-visibility filtering based on agent permission policy. | [View Map](src/hooks/filter-available-skills/codemap.md) |
 | `src/hooks/foreground-fallback/` | Interactive-session fallback control path for rate-limit or degraded foreground execution with event-driven agent mapping. | [View Map](src/hooks/foreground-fallback/codemap.md) |
 | `src/hooks/json-error-recovery/` | JSON/tool-output recovery helpers for malformed model responses. | [View Map](src/hooks/json-error-recovery/codemap.md) |