chore(hooks): 新增 jsc-hooks 整合腳本（session timer、STE100 guard、skill usage logger）

.kiro/hooks/hooks.json

@@ -0,0 +1,20 @@
+{
+  "_comment": "kiro-cli has no verified native hook system (no 'hooks' field in kiro-cli agent config; no hook subcommand). This file documents the INTENDED wiring for when kiro-cli gains hook support, and doubles as a manual reference for the wrapper scripts in this directory. JSC_CLI=kiro is exported by each wrapper.",
+  "hooks": {
+    "SessionStart": [
+      { "hooks": [ { "type": "command", "command": "sh \"$PWD/.kiro/hooks/session-timer.sh\" start" } ] }
+    ],
+    "UserPromptSubmit": [
+      { "hooks": [ { "type": "command", "command": "sh \"$PWD/.kiro/hooks/ste100-guard.sh\"" } ] }
+    ],
+    "Stop": [
+      { "hooks": [ { "type": "command", "command": "sh \"$PWD/.kiro/hooks/session-timer.sh\" mark" } ] }
+    ],
+    "SessionEnd": [
+      { "hooks": [ { "type": "command", "command": "sh \"$PWD/.kiro/hooks/session-timer.sh\" mark" } ] }
+    ],
+    "PostToolUse": [
+      { "matcher": "Skill", "hooks": [ { "type": "command", "command": "sh \"$PWD/.kiro/hooks/skill-usage.sh\"" } ] }
+    ]
+  }
+}