fix: add PYTHONUNBUFFERED=1 for real-time logging

- Python buffers stdout when running as systemd service (no TTY)
- This prevented journalctl from showing real-time turn captures
- Added Environment='PYTHONUNBUFFERED=1' to disable buffering
- Now shows '✅ Turn N (role) → Qdrant' in real-time via journalctl -f

Fixes issue where watcher captured turns but only logged on restart.

CHANGELOG.md

@@ -2,6 +2,36 @@
 
 All notable changes to this project will be documented in this file.
 
+## [v1.4] - 2026-03-13
+
+### Fixed
+
+#### Real-Time Logging Not Visible in journalctl
+
+**Error:** Watcher was capturing turns to Qdrant but `journalctl -u mem-qdrant-watcher -f` showed no output between restarts.
+
+**Root Cause:**
+- Python buffers stdout when not connected to a TTY (systemd service)
+- `print()` statements in the watcher were buffered, not flushed
+- Logs only appeared on service restart when buffer was flushed
+
+**Impact:** Impossible to monitor real-time capture status, difficult to debug
+
+**Fix:**
+- Added `Environment="PYTHONUNBUFFERED=1"` to systemd service file
+- This disables Python's stdout buffering, forcing immediate flush
+
+**Changed Files:**
+- `watcher/mem-qdrant-watcher.service` - Added PYTHONUNBUFFERED environment variable
+
+**Validation:**
+```bash
+journalctl -u mem-qdrant-watcher -f
+# Now shows: ✅ Turn 170 (assistant) → Qdrant (in real-time)
+```
+
+---
+
 ## [v1.3] - 2026-03-10
 
 ### Fixed

watcher/mem-qdrant-watcher.service

@@ -11,6 +11,7 @@ Environment="QDRANT_COLLECTION=memories_tr"
 Environment="OLLAMA_URL=http://localhost:11434"
 Environment="EMBEDDING_MODEL=snowflake-arctic-embed2"
 Environment="USER_ID=rob"
+Environment="PYTHONUNBUFFERED=1"
 ExecStart=/usr/bin/python3 /root/.openclaw/workspace/.local_projects/openclaw-true-recall-base/watcher/realtime_qdrant_watcher.py --daemon
 Restart=always
 RestartSec=5