Point posthog at consolidated PostHog/ai-plugin repo

Updates source URL from posthog-for-claude to ai-plugin per PostHog's
repo consolidation. Adds SHA pin and fixes homepage to proper docs URL.

.claude-plugin/marketplace.json

@@ -626,13 +626,14 @@
     },
     {
       "name": "posthog",
-      "description": "Connect Claude Code to your PostHog analytics platform. Query insights, manage feature flags, run A/B experiments, track errors, and analyze LLM costs all through natural language. The plugin provides 10 slash commands for common workflows and full access to PostHog's MCP tools. Ask questions like \"What are my top errors?\" or \"Create a feature flag for 50% of users\" and Claude handles the API calls. Supports OAuth authentication, EU and US cloud regions, and self-hosted instances.",
+      "description": "Access PostHog analytics, feature flags, experiments, error tracking, and insights directly from Claude Code.",
       "category": "monitoring",
       "source": {
         "source": "url",
-        "url": "https://github.com/PostHog/posthog-for-claude.git"
+        "url": "https://github.com/PostHog/ai-plugin.git",
+        "sha": "f2f37954ecef9f1afce4fa81b6a612454a96c410"
       },
-      "homepage": "https://github.com/PostHog/posthog-for-claude.git"
+      "homepage": "https://posthog.com/docs/model-context-protocol"
     },
     {
       "name": "coderabbit",

.github/workflows/close-external-prs.yml

@@ -36,7 +36,7 @@ jobs:
               owner: context.repo.owner,
               repo: context.repo.repo,
               issue_number: context.payload.pull_request.number,
-              body: `Thanks for your interest! This repo only accepts contributions from Anthropic team members. If you'd like to submit a plugin to the marketplace, please submit your plugin [here](https://docs.google.com/forms/d/e/1FAIpQLSdeFthxvjOXUjxg1i3KrOOkEPDJtn71XC-KjmQlxNP63xYydg/viewform).`
+              body: `Thanks for your interest! This repo only accepts contributions from Anthropic team members. If you'd like to submit a plugin to the marketplace, please submit your plugin [here](https://clau.de/plugin-directory-submission).`
             });
 
             await github.rest.pulls.update({

plugins/ralph-loop/hooks/stop-hook.sh

@@ -24,6 +24,16 @@ MAX_ITERATIONS=$(echo "$FRONTMATTER" | grep '^max_iterations:' | sed 's/max_iter
 # Extract completion_promise and strip surrounding quotes if present
 COMPLETION_PROMISE=$(echo "$FRONTMATTER" | grep '^completion_promise:' | sed 's/completion_promise: *//' | sed 's/^"\(.*\)"$/\1/')
 
+# Session isolation: the state file is project-scoped, but the Stop hook
+# fires in every Claude Code session in that project. If another session
+# started the loop, this session must not block (or touch the state file).
+# Legacy state files without session_id fall through (preserves old behavior).
+STATE_SESSION=$(echo "$FRONTMATTER" | grep '^session_id:' | sed 's/session_id: *//' || true)
+HOOK_SESSION=$(echo "$HOOK_INPUT" | jq -r '.session_id // ""')
+if [[ -n "$STATE_SESSION" ]] && [[ "$STATE_SESSION" != "$HOOK_SESSION" ]]; then
+  exit 0
+fi
+
 # Validate numeric fields before arithmetic operations
 if [[ ! "$ITERATION" =~ ^[0-9]+$ ]]; then
   echo "⚠️  Ralph loop: State file corrupted" >&2
@@ -77,35 +87,39 @@ if ! grep -q '"role":"assistant"' "$TRANSCRIPT_PATH"; then
   exit 0
 fi
 
-# Extract last assistant message with explicit error handling
-LAST_LINE=$(grep '"role":"assistant"' "$TRANSCRIPT_PATH" | tail -1)
-if [[ -z "$LAST_LINE" ]]; then
-  echo "⚠️  Ralph loop: Failed to extract last assistant message" >&2
+# Extract the most recent assistant text block.
+#
+# Claude Code writes each content block (text/tool_use/thinking) as its own
+# JSONL line, all with role=assistant. So slurp the last N assistant lines,
+# flatten to text blocks only, and take the last one.
+#
+# Capped at the last 100 assistant lines to keep jq's slurp input bounded
+# for long-running sessions.
+LAST_LINES=$(grep '"role":"assistant"' "$TRANSCRIPT_PATH" | tail -n 100)
+if [[ -z "$LAST_LINES" ]]; then
+  echo "⚠️  Ralph loop: Failed to extract assistant messages" >&2
   echo "   Ralph loop is stopping." >&2
   rm "$RALPH_STATE_FILE"
   exit 0
 fi
 
-# Parse JSON with error handling
-LAST_OUTPUT=$(echo "$LAST_LINE" | jq -r '
-  .message.content |
-  map(select(.type == "text")) |
-  map(.text) |
-  join("\n")
+# Parse the recent lines and pull out the final text block.
+# `last // ""` yields empty string when no text blocks exist (e.g. a turn
+# that is all tool calls). That's fine: empty text means no <promise> tag,
+# so the loop simply continues.
+# (Briefly disable errexit so a jq failure can be caught by the $? check.)
+set +e
+LAST_OUTPUT=$(echo "$LAST_LINES" | jq -rs '
+  map(.message.content[]? | select(.type == "text") | .text) | last // ""
 ' 2>&1)
+JQ_EXIT=$?
+set -e
 
 # Check if jq succeeded
-if [[ $? -ne 0 ]]; then
+if [[ $JQ_EXIT -ne 0 ]]; then
   echo "⚠️  Ralph loop: Failed to parse assistant message JSON" >&2
   echo "   Error: $LAST_OUTPUT" >&2
-  echo "   This may indicate a transcript format issue" >&2
-  echo "   Ralph loop is stopping." >&2
-  rm "$RALPH_STATE_FILE"
-  exit 0
-fi
-
-if [[ -z "$LAST_OUTPUT" ]]; then
-  echo "⚠️  Ralph loop: Assistant message contained no text content" >&2
+  echo "   This may indicate a transcript format issue." >&2
   echo "   Ralph loop is stopping." >&2
   rm "$RALPH_STATE_FILE"
   exit 0

plugins/ralph-loop/scripts/setup-ralph-loop.sh

@@ -141,6 +141,7 @@ cat > .claude/ralph-loop.local.md <<EOF
 ---
 active: true
 iteration: 1
+session_id: ${CLAUDE_CODE_SESSION_ID:-}
 max_iterations: $MAX_ITERATIONS
 completion_promise: $COMPLETION_PROMISE_YAML
 started_at: "$(date -u +%Y-%m-%dT%H:%M:%SZ)"