rename(547): the plugin is grimoire — manifest, MCP key, hooks, env, skills

Step 3 of the Scribe -> Grimoire rename.

- Plugin `grimoire` in marketplace `grimoire-plugin`, MCP server key
  `grimoire`, so tools reach a session as mcp__plugin_grimoire_grimoire__*.
- hooks/scribe_* -> hooks/grimoire_*, their shell functions and the TMPDIR
  ledgers with them; SCRIBE_URL / SCRIBE_TOKEN / SCRIBE_HOOK_DIR /
  SCRIBE_LEDGER_DIRS -> GRIMOIRE_*; the project marker is `.grimoire`.
- skills/using-scribe -> using-grimoire, /grimoire:sync, stored processes
  arrive as grimoire-proc-<slug>; moment_actions names them the same way.
- Migration 0124 rewrites stored skill names (rule_moments,
  rule_moment_judgments, moment_mappings) from scribe:/scribe-proc- to
  grimoire:/grimoire-proc-, so a rule mounted on a skill keeps firing.
- Settings' install commands and MCP-only defaults, the docs and the
  tests follow.
- scripts/check_plugin.py drops the smoke event for a report-check hook
  that has no file in plugin/hooks.

Kept on purpose: the secret-sealing label, and the names that let backups
written as Scribe restore and be counted.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

plugin/hooks/hooks.json

@@ -5,11 +5,11 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_session_context.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_session_context.sh\""
           },
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_sync_processes.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_sync_processes.sh\""
           }
         ]
       }
@@ -19,7 +19,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_autoinject.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_autoinject.sh\""
           }
         ]
       }
@@ -30,7 +30,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_prior_art.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_prior_art.sh\""
           }
         ]
       },
@@ -39,7 +39,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_tool_rules.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_tool_rules.sh\""
           }
         ]
       },
@@ -48,7 +48,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_moment.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_moment.sh\""
           }
         ]
       }
@@ -59,7 +59,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_after_write.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_after_write.sh\""
           }
         ]
       },
@@ -68,7 +68,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_record_opened.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_record_opened.sh\""
           }
         ]
       },
@@ -77,7 +77,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_record_outcome.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_record_outcome.sh\""
           }
         ]
       },
@@ -86,7 +86,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_claim_session.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_claim_session.sh\""
           }
         ]
       }
@@ -96,7 +96,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_precompact_preserve.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_precompact_preserve.sh\""
           }
         ]
       }
@@ -106,11 +106,11 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_reply_check.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_reply_check.sh\""
           },
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_shape_check.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_shape_check.sh\""
           }
         ]
       }
@@ -120,7 +120,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/scribe_session_end.sh\""
+            "command": "bash \"${CLAUDE_PLUGIN_ROOT}/hooks/grimoire_session_end.sh\""
           }
         ]
       }