feat(pipeline): v3-v4 dedup + panorama stitching + 1080p support

- HSV-aware _trim_to_content (white ratio 30-97%)
- pHash cluster dedup: dHash 32x32(1024bit), max_hamming=20
- Panoramic stitching: template matching scroll offset detection
- 4-stage pipeline: MSE -> Panorama -> pHash
- 1080p download priority + MAX_FRAME_WIDTH=1280 cap
- test_pipeline.py with YouTube URLs and --download mode
- 3 new known-issues documented
- devlog + STATUS.md updated

.agent/workflows/helpers/vikunja_helper.py

@@ -32,7 +32,7 @@ if sys.stdout.encoding != "utf-8":
 # ============================================================
 API_BASE = "https://plan.variet.net/api/v1"
 TOKEN = "tk_070f8e0b715e818bb7178c3815ed5389040eddca"
-PROJECT_ID = 7                                  # Variet Agent 프로젝트
+PROJECT_ID = 12                                 # guitar_score 프로젝트
 # ============================================================
 
 HEADERS = {

.agent/workflows/helpers/wiki_helper.py

@@ -15,7 +15,7 @@ sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
 # ============================================================
 GITEA_BASE_URL = "https://git.variet.net"
 GITEA_OWNER = "Variet"
-GITEA_REPO = "variet-agent"                       # Variet Agent 프로젝트
+GITEA_REPO = "guitar_score"                       # guitar_score 프로젝트
 GITEA_TOKEN = "3a01b4b15a39921572e64c413353e870d4d2161b"
 # ============================================================