chore(config): 🔧 Add configuration settings for video classification limits (max file size, timeout, concurrency)

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

services/imajin-video/service/src/config/settings.py

@@ -49,6 +49,11 @@ class Settings(BaseSettings):
     model_boss_timeout_s: float = 60.0
     # Max concurrent per-frame scoring calls to model-boss (bounds GPU fan-out).
     classify_concurrency: int = 4
+    # Priority sent to model-boss for frame scoring. "high" (≤5) lets the coordinator
+    # spawn a SECOND vision slot on the idle GPU (parallel scoring); "normal" keeps it
+    # to one serialized slot. High preempts normal-priority interactive vision during
+    # peak — deliberate: video classification is bounded, high-value work.
+    classify_vision_priority: str = "high"
 
     # Content-aware (scene-change) keyframe sampling — clamp band is the GPU-cost lever.
     classify_scene_min_keyframes: int = 3
@@ -58,6 +63,24 @@ class Settings(BaseSettings):
     # Sync /classify-video/sync only accepts clips up to this duration.
     classify_sync_max_seconds: float = 20.0
 
+    # ---- /classify-video object-store source (decision 5 reversed for large videos) ----
+    # imajin pulls video bytes from MinIO by storage_key (streamed to disk), so the
+    # platform never holds the full file in memory and there is no base64 size cap.
+    # Same MinIO the platform's image path reads (mac-sync bucket on black:9000).
+    minio_endpoint: str = "black.lan:9000"
+    minio_access_key: str = ""
+    minio_secret_key: str = ""
+    minio_bucket: str = "mac-sync"
+    minio_secure: bool = False
+
+    # Server-capability bound on CONCURRENT video decodes. The throttle lives HERE,
+    # on the server — never on the client. This is the ceiling; it is clamped down to
+    # available RAM at startup (see pipeline.capability.derive_video_concurrency).
+    classify_video_concurrency: int = 4
+    # Approx RAM headroom to reserve per concurrent decode (4K decoder + frame buffers
+    # + slack). The RAM clamp keeps concurrency × budget under available memory.
+    classify_video_ram_budget_bytes: int = 1_500_000_000
+
     model_config = SettingsConfigDict(env_prefix="IMAJIN_VIDEO_", case_sensitive=False)