refactor: consolidate hook scripts and fixed issue from review

.codex-plugin/README.md

@@ -4,7 +4,7 @@ Give your AI a persistent memory -- mine projects and conversations into a searc
 
 ## Prerequisites
 
-- Python 3.10+
+- Python 3.9+
 - Codex CLI installed and configured
 - `pip install mempalace`
 

.codex-plugin/hooks.json

@@ -6,7 +6,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "./hooks/mempal-session-start-hook.sh"
+            "command": "${CODEX_PLUGIN_ROOT}/hooks/mempal-hook.sh session-start"
           }
         ]
       }
@@ -17,7 +17,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "./hooks/mempal-stop-hook.sh"
+            "command": "${CODEX_PLUGIN_ROOT}/hooks/mempal-hook.sh stop"
           }
         ]
       }
@@ -28,7 +28,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "./hooks/mempal-precompact-hook.sh"
+            "command": "${CODEX_PLUGIN_ROOT}/hooks/mempal-hook.sh precompact"
           }
         ]
       }

.codex-plugin/hooks/mempal-hook.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -euo pipefail
+HOOK_NAME="${1:?Usage: mempal-hook.sh <hook-name>}"
+INPUT_FILE=$(mktemp) || { echo "Failed to create temp file" >&2; exit 1; }
+cat > "$INPUT_FILE"
+cat "$INPUT_FILE" | python3 -m mempalace hook run --hook "$HOOK_NAME" --harness codex
+EXIT_CODE=$?
+rm -f "$INPUT_FILE" 2>/dev/null
+exit $EXIT_CODE

.codex-plugin/hooks/mempal-precompact-hook.sh

@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-PLUGIN_ROOT="${CODEX_PLUGIN_ROOT:-$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)}"
-
-# Capture stdin (hook input from Codex)
-INPUT_FILE=$(mktemp 2>/dev/null || echo "/tmp/mempal-precompact-hook-$$.json")
-cat > "$INPUT_FILE"
-
-# Pipe to Python CLI with codex harness
-cat "$INPUT_FILE" | python3 -m mempalace hook run --hook precompact --harness codex
-EXIT_CODE=$?
-
-# Cleanup
-rm -f "$INPUT_FILE" 2>/dev/null
-exit $EXIT_CODE

.codex-plugin/hooks/mempal-session-start-hook.sh

@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-PLUGIN_ROOT="${CODEX_PLUGIN_ROOT:-$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)}"
-
-# Capture stdin (hook input from Codex)
-INPUT_FILE=$(mktemp 2>/dev/null || echo "/tmp/mempal-session-start-hook-$$.json")
-cat > "$INPUT_FILE"
-
-# Pipe to Python CLI with codex harness
-cat "$INPUT_FILE" | python3 -m mempalace hook run --hook session-start --harness codex
-EXIT_CODE=$?
-
-# Cleanup
-rm -f "$INPUT_FILE" 2>/dev/null
-exit $EXIT_CODE

.codex-plugin/hooks/mempal-stop-hook.sh

@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-PLUGIN_ROOT="${CODEX_PLUGIN_ROOT:-$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)}"
-
-# Capture stdin (hook input from Codex)
-INPUT_FILE=$(mktemp 2>/dev/null || echo "/tmp/mempal-stop-hook-$$.json")
-cat > "$INPUT_FILE"
-
-# Pipe to Python CLI with codex harness
-cat "$INPUT_FILE" | python3 -m mempalace hook run --hook stop --harness codex
-EXIT_CODE=$?
-
-# Cleanup
-rm -f "$INPUT_FILE" 2>/dev/null
-exit $EXIT_CODE