feat(reader): multi-word and phrasal verb detector in reader (Task 14)

app/main.py

@@ -30,6 +30,8 @@ from app.export import export_csv, export_json, export_anki_tsv, export_markdown
 from app.srs import calculate_sm2, generate_quiz_options, build_activity_heatmap, calculate_cefr_level
 from app.reader import parse_epub, parse_text, parse_pdf, count_words
 from app.ai import translate_sentence_ai, get_ollama_status
+from app.phrasal import detect_phrasal_verb
+
 
 
 
@@ -299,6 +301,7 @@ async def api_change_password(req: ChangePasswordRequest, user: dict = Depends(r
 async def api_lookup(
     term: Optional[str] = None,
     q: Optional[str] = None,
+    context: Optional[str] = None,
     user: dict = Depends(require_user)
 ):
     query_str = (term or q or "").strip()
@@ -319,9 +322,36 @@ async def api_lookup(
             data["in_library"] = False
             data["library_card"] = None
 
+        # Multi-Word & Phrasal Verb Detection
+        data["phrasal_verb"] = None
+        if context:
+            pv = detect_phrasal_verb(
+                sentence=context,
+                target_word=query_str,
+                user_id=user["id"],
+                conn=conn,
+            )
+            if pv and pv["term"].lower() != query_str.lower():
+                data["phrasal_verb"] = pv
+
     return data
 
 
+@app.get("/api/detect-phrasal-verb")
+async def api_detect_phrasal_verb(
+    sentence: str = Query(..., min_length=1),
+    word: str = Query(..., min_length=1),
+    user: dict = Depends(require_user)
+):
+    """
+    Analyzes sentence context around word to detect phrasal verbs, idioms, and collocations.
+    """
+    with get_db() as conn:
+        pv = detect_phrasal_verb(sentence=sentence, target_word=word, user_id=user["id"], conn=conn)
+        return {"detected": bool(pv), "phrasal_verb": pv}
+
+
+
 
 @app.api_route("/api/audio", methods=["GET", "HEAD"])
 async def api_audio_proxy():