Fix SQLite threading bug, correct FTP upload path

- Add check_same_thread=False to SQLite connection (watchdog
  callbacks run in a separate thread)
- Camera upload dir is /data/photos/incoming (not /incoming)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

README.md

@@ -53,7 +53,7 @@ Configure an FTP profile on the camera:
 | Passive Mode    | **ON**                   |
 | Username        | `fujiftp`                |
 | Password        | *(your password)*        |
-| Upload Dir      | `/incoming`              |
+| Upload Dir      | `/data/photos/incoming`  |
 | Auto Transfer   | ON (or manual trigger)   |
 
 > **Note**: Bij FTPS kun je via **FTP OPTIONAL SETTING → ROOT CERTIFICATE** een self-signed root certificaat laden als je NAS er een gebruikt.

TODO.md

@@ -52,7 +52,7 @@
   - [ ] Passive mode: ON
   - [ ] Username: `fujiftp`
   - [ ] Password: (het ingestelde wachtwoord)
-  - [ ] Upload directory: `/incoming`
+  - [ ] Upload directory: `/data/photos/incoming`
 - [ ] Optioneel: FTP OPTIONAL SETTING → ROOT CERTIFICATE (als NAS self-signed cert gebruikt)
 - [ ] Profiel naam: "NAS-FTPS"
 - [ ] Opslaan

processor.py

@@ -50,7 +50,7 @@ log = logging.getLogger("processor")
 def init_db():
     """Initialize the SQLite tracking database."""
     DB_PATH.parent.mkdir(parents=True, exist_ok=True)
-    conn = sqlite3.connect(str(DB_PATH))
+    conn = sqlite3.connect(str(DB_PATH), check_same_thread=False)
     conn.execute(
         """CREATE TABLE IF NOT EXISTS processed_files (
             filename TEXT PRIMARY KEY,