Add Exif storing and update to Metadata endpoint

migrations/2025-12-17-000000_create_image_exif/down.sql

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+DROP INDEX IF EXISTS idx_image_exif_file_path;
+DROP TABLE IF EXISTS image_exif;

migrations/2025-12-17-000000_create_image_exif/up.sql

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+CREATE TABLE image_exif (
+    id INTEGER PRIMARY KEY NOT NULL,
+    file_path TEXT NOT NULL UNIQUE,
+
+    -- Camera Information
+    camera_make TEXT,
+    camera_model TEXT,
+    lens_model TEXT,
+
+    -- Image Properties
+    width INTEGER,
+    height INTEGER,
+    orientation INTEGER,
+
+    -- GPS Coordinates
+    gps_latitude REAL,
+    gps_longitude REAL,
+    gps_altitude REAL,
+
+    -- Capture Settings
+    focal_length REAL,
+    aperture REAL,
+    shutter_speed TEXT,
+    iso INTEGER,
+    date_taken BIGINT,
+
+    -- Housekeeping
+    created_time BIGINT NOT NULL,
+    last_modified BIGINT NOT NULL
+);
+
+CREATE INDEX idx_image_exif_file_path ON image_exif(file_path);