feat: add migrations, test scripts, and utility tools

- Add database migrations (006-028) for face recognition, identity, file_uuid
- Add test scripts for ASR, face, search, processing
- Add portal frontend (Tauri)
- Add config, benchmark, and monitoring utilities
- Add model checkpoints and pretrained model references

debug_chunked_hang.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+import sys
+import time
+
+print("Start")
+print("Importing faster_whisper...")
+try:
+    from faster_whisper import WhisperModel
+
+    print("Import successful")
+except Exception as e:
+    print(f"Import failed: {e}")
+    sys.exit(1)
+
+print("Loading model...")
+try:
+    model = WhisperModel("tiny", device="cpu", compute_type="int8")
+    print("Model loaded")
+except Exception as e:
+    print(f"Model load failed: {e}")
+    sys.exit(1)
+
+import subprocess
+
+print("Getting duration...")
+cmd = [
+    "ffprobe",
+    "-v",
+    "error",
+    "-show_entries",
+    "format=duration",
+    "-of",
+    "csv=p=0",
+    "/tmp/test_audio.wav",
+]
+result = subprocess.run(cmd, capture_output=True, text=True)
+print(f"ffprobe output: {result.stdout}")
+duration = float(result.stdout.strip())
+print(f"Duration: {duration}")
+
+# Extract first chunk
+print("Extracting first chunk...")
+chunk_path = "/tmp/debug_chunk.wav"
+cmd = [
+    "ffmpeg",
+    "-i",
+    "/tmp/test_audio.wav",
+    "-t",
+    "60",
+    "-acodec",
+    "pcm_s16le",
+    "-ar",
+    "16000",
+    "-ac",
+    "1",
+    "-y",
+    chunk_path,
+]
+result = subprocess.run(cmd, capture_output=True, text=True)
+print(f"ffmpeg return code: {result.returncode}")
+if result.returncode != 0:
+    print(f"stderr: {result.stderr[:200]}")
+
+import os
+
+print(f"Chunk exists: {os.path.exists(chunk_path)}")
+if os.path.exists(chunk_path):
+    print(f"Chunk size: {os.path.getsize(chunk_path)}")
+
+    print("Transcribing chunk...")
+    start = time.time()
+    try:
+        segments, info = model.transcribe(chunk_path, beam_size=5)
+        segments = list(segments)
+        elapsed = time.time() - start
+        print(f"Transcription succeeded in {elapsed}s, segments: {len(segments)}")
+    except Exception as e:
+        print(f"Transcription failed: {e}")
+        import traceback
+
+        traceback.print_exc()
+else:
+    print("Chunk not created")
+
+print("Script finished")