Replace PID-based temp files with AGENT_ID env var

- Simplified Claude hooks to use AGENT_ID instead of PID lookup
- Updated 9p-read-inbox to use AGENT_ID env var
- Removed temporary file creation in tmux.go
- Much cleaner and more reliable approach

claude/hooks/anvillm-state-idle.sh

@@ -1,37 +1,22 @@
 #!/bin/sh
-echo "$(date '+%Y-%m-%d %H:%M:%S') - Hook fired: Stop (PPID=$PPID)" >> /tmp/claude-hooks.log
+echo "$(date '+%Y-%m-%d %H:%M:%S') - Hook fired: Stop" >> /tmp/claude-hooks.log
 cat > /dev/null
-pid=$PPID
-while [ $pid -gt 1 ]; do
-	if ps -p $pid -o comm= | grep -q claude; then
-		break
-	fi
-	pid=$(ps -p $pid -o ppid= | tr -d ' ')
-done
-if [ $pid -le 1 ]; then
-	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: Claude PID not found" >> /tmp/claude-hooks.log
+
+if [ -z "$AGENT_ID" ]; then
+	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: AGENT_ID not set" >> /tmp/claude-hooks.log
 	exit 0
 fi
-echo "$(date '+%Y-%m-%d %H:%M:%S') - Found Claude PID: $pid" >> /tmp/claude-hooks.log
-# Read session ID from filesystem directly (9p read doesn't work in sandbox)
-ns_path="/tmp/ns.$USER.:0/anvillm-session-id-$pid"
-if [ ! -f "$ns_path" ]; then
-	ns_path="/tmp/ns.$USER/anvillm-session-id-$pid"
-fi
-session=$(cat "$ns_path" 2>/dev/null)
-if [ -z "$session" ]; then
-	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: Session ID not found for PID $pid" >> /tmp/claude-hooks.log
-	exit 0
-fi
-echo "$(date '+%Y-%m-%d %H:%M:%S') - Found session ID: $session" >> /tmp/claude-hooks.log
-if echo idle | 9p write agent/$session/state 2>>/tmp/claude-hooks.log; then
-	echo "$(date '+%Y-%m-%d %H:%M:%S') - SUCCESS: Wrote 'idle' to agent/$session/state" >> /tmp/claude-hooks.log
+
+echo "$(date '+%Y-%m-%d %H:%M:%S') - Using AGENT_ID: $AGENT_ID" >> /tmp/claude-hooks.log
+
+if echo idle | 9p write agent/$AGENT_ID/state 2>>/tmp/claude-hooks.log; then
+	echo "$(date '+%Y-%m-%d %H:%M:%S') - SUCCESS: Wrote 'idle' to agent/$AGENT_ID/state" >> /tmp/claude-hooks.log
 	
 	# Check for pending messages in inbox
-	if [ -n "$(9p ls agent/$session/inbox/ 2>/dev/null)" ]; then
+	if [ -n "$(9p ls agent/$AGENT_ID/inbox/ 2>/dev/null)" ]; then
 		echo "$(date '+%Y-%m-%d %H:%M:%S') - INBOX: Pending messages detected" >> /tmp/claude-hooks.log
 		echo "[INBOX] You have pending messages. Check with: 9p-read-inbox"
 	fi
 else
-	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: Failed to write to agent/$session/state" >> /tmp/claude-hooks.log
+	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: Failed to write to agent/$AGENT_ID/state" >> /tmp/claude-hooks.log
 fi

claude/hooks/anvillm-state-running.sh

@@ -1,31 +1,16 @@
 #!/bin/sh
-echo "$(date '+%Y-%m-%d %H:%M:%S') - Hook fired: UserPromptSubmit (PPID=$PPID)" >> /tmp/claude-hooks.log
+echo "$(date '+%Y-%m-%d %H:%M:%S') - Hook fired: UserPromptSubmit" >> /tmp/claude-hooks.log
 cat > /dev/null
-pid=$PPID
-while [ $pid -gt 1 ]; do
-	if ps -p $pid -o comm= | grep -q claude; then
-		break
-	fi
-	pid=$(ps -p $pid -o ppid= | tr -d ' ')
-done
-if [ $pid -le 1 ]; then
-	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: Claude PID not found" >> /tmp/claude-hooks.log
+
+if [ -z "$AGENT_ID" ]; then
+	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: AGENT_ID not set" >> /tmp/claude-hooks.log
 	exit 0
 fi
-echo "$(date '+%Y-%m-%d %H:%M:%S') - Found Claude PID: $pid" >> /tmp/claude-hooks.log
-# Read session ID from filesystem directly (9p read doesn't work in sandbox)
-ns_path="/tmp/ns.$USER.:0/anvillm-session-id-$pid"
-if [ ! -f "$ns_path" ]; then
-	ns_path="/tmp/ns.$USER/anvillm-session-id-$pid"
-fi
-session=$(cat "$ns_path" 2>/dev/null)
-if [ -z "$session" ]; then
-	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: Session ID not found for PID $pid" >> /tmp/claude-hooks.log
-	exit 0
-fi
-echo "$(date '+%Y-%m-%d %H:%M:%S') - Found session ID: $session" >> /tmp/claude-hooks.log
-if echo running | 9p write agent/$session/state 2>>/tmp/claude-hooks.log; then
-	echo "$(date '+%Y-%m-%d %H:%M:%S') - SUCCESS: Wrote 'running' to agent/$session/state" >> /tmp/claude-hooks.log
+
+echo "$(date '+%Y-%m-%d %H:%M:%S') - Using AGENT_ID: $AGENT_ID" >> /tmp/claude-hooks.log
+
+if echo running | 9p write agent/$AGENT_ID/state 2>>/tmp/claude-hooks.log; then
+	echo "$(date '+%Y-%m-%d %H:%M:%S') - SUCCESS: Wrote 'running' to agent/$AGENT_ID/state" >> /tmp/claude-hooks.log
 else
-	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: Failed to write to agent/$session/state" >> /tmp/claude-hooks.log
+	echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: Failed to write to agent/$AGENT_ID/state" >> /tmp/claude-hooks.log
 fi

internal/backend/tmux/tmux.go

@@ -363,17 +363,6 @@ func (b *Backend) CreateSession(ctx context.Context, opts backend.SessionOptions
 	}
 	sess.idleCond = sync.NewCond(&sess.mu)
 
-	// Write session ID to file for hook access (if kiro-cli or claude backend)
-	if (b.cfg.Name == "kiro-cli" || b.cfg.Name == "claude") && pid != 0 {
-		ns := client.Namespace()
-		sessionIDFile := filepath.Join(ns, fmt.Sprintf("anvillm-session-id-%d", pid))
-		if err := os.WriteFile(sessionIDFile, []byte(id), 0644); err != nil {
-			debug.Log("[session %s] failed to write session ID file: %v", id, err)
-		} else {
-			debug.Log("[session %s] wrote session ID file: %s", id, sessionIDFile)
-		}
-	}
-
 	// 10. Start reader goroutine
 	go sess.reader()
 

mkfile

@@ -7,6 +7,7 @@ build:V:
 	go build -o $INSTALL_PATH/Assist ./cmd/Assist
 	go build -o $INSTALL_PATH/anvillm ./cmd/anvillm
 	go build -o $INSTALL_PATH/anvilweb ./cmd/anvilweb
+	go build -o $INSTALL_PATH/anvilmcp ./cmd/anvilmcp
 	cp scripts/Alog $INSTALL_PATH/Alog
 	chmod 0755 $INSTALL_PATH/Alog
 	cp scripts/anvillm-skills $INSTALL_PATH/anvillm-skills

scripts/9p-read-inbox

@@ -10,12 +10,8 @@ if [ "$1" = "--help" ]; then
     exit 0
 fi
 
-# Get agent ID from namespace file
-KIRO_PID=$(ps -o ppid= -p $PPID | tr -d ' ')
-AGENT_ID=$(cat $(namespace)/anvillm-session-id-$KIRO_PID 2>/dev/null)
-
 if [ -z "$AGENT_ID" ]; then
-    echo "Error: Cannot determine agent ID" >&2
+    echo "Error: AGENT_ID environment variable not set" >&2
     exit 1
 fi