Add video management endpoints and fix LLM extraction pipeline

- Add missing endpoints: fetch-transcript, extract, bulk-extract/pending,
  bulk-transcript/pending, manual restaurant add, restaurant update
- Add OCI HTTP client dependency (jersey3) for GenAI SDK compatibility
- Fix Oracle null parameter ORA-17004 with jdbcType=CLOB in MyBatis
- Fix evaluation IS JSON constraint by storing as valid JSON
- Add @JsonProperty("transcript") for frontend compatibility
- Add Korean-only rule to LLM extraction prompt

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

backend-java/src/main/resources/mybatis/mapper/RestaurantMapper.xml

@@ -166,7 +166,7 @@
 
     <insert id="linkVideoRestaurant">
         INSERT INTO video_restaurants (id, video_id, restaurant_id, foods_mentioned, evaluation, guests)
-        VALUES (#{id}, #{videoId}, #{restaurantId}, #{foods}, #{evaluation}, #{guests})
+        VALUES (#{id}, #{videoId}, #{restaurantId}, #{foods,jdbcType=CLOB}, #{evaluation,jdbcType=CLOB}, #{guests,jdbcType=CLOB})
     </insert>
 
     <!-- ===== Lookups ===== -->

backend-java/src/main/resources/mybatis/mapper/VideoMapper.xml

@@ -216,4 +216,20 @@
         ORDER BY v.published_at DESC
     </select>
 
+    <select id="findVideosWithoutTranscript" resultType="map">
+        SELECT id, video_id, title, url
+        FROM videos
+        WHERE (transcript_text IS NULL OR dbms_lob.getlength(transcript_text) = 0)
+          AND status != 'skip'
+        ORDER BY created_at
+    </select>
+
+    <update id="updateVideoRestaurantFields">
+        UPDATE video_restaurants
+        SET foods_mentioned = #{foodsJson,jdbcType=CLOB},
+            evaluation = #{evaluation,jdbcType=CLOB},
+            guests = #{guestsJson,jdbcType=CLOB}
+        WHERE video_id = #{videoId} AND restaurant_id = #{restaurantId}
+    </update>
+
 </mapper>