Fixed build

app.py

@@ -11,8 +11,6 @@ from dotenv import load_dotenv
 
 load_dotenv()
 
-
-
 OFFICIAL_PO_DEFINITIONS = {
     "PO1": "Apply the knowledge of mathematics, science, engineering fundamentals, and an engineering specialization to the solution of complex engineering problems",
     "PO2": "Identify, formulate, review research literature, and analyze complex engineering problems reaching substantiated conclusions using first principles of mathematics, natural sciences, and engineering sciences",
@@ -27,7 +25,6 @@ OFFICIAL_PO_DEFINITIONS = {
     "PO11": "Demonstrate knowledge and understanding of the engineering and management principles and apply these to one's own work, as a member and leader in a team, to manage projects and in multidisciplinary environments"
 }
 
-
 BLOOM_LEVEL_DEFINITIONS = {
     "Remember": "Recall facts, terms, basic concepts, and answers without necessarily understanding",
     "Understand": "Demonstrate understanding of facts and ideas by organizing, comparing, translating, interpreting",
@@ -37,177 +34,166 @@ BLOOM_LEVEL_DEFINITIONS = {
     "Create": "Compile information together in a different way by combining elements in new patterns or proposing alternative solutions"
 }
 
-
 PO_KEYWORDS = {
     "PO1": [
-        "knowledge", "mathematics", "math", "science", "computing", "engineering", 
-        "fundamental", "theory", "concept", "principle", "algorithm", "data structure", 
-        "programming", "software", "hardware", "circuit", "system", "analysis", 
+        "knowledge", "mathematics", "math", "science", "computing", "engineering",
+        "fundamental", "theory", "concept", "principle", "algorithm", "data structure",
+        "programming", "software", "hardware", "circuit", "system", "analysis",
         "understand", "explain", "apply", "technical", "computer",
         "physics", "chemistry", "material", "thermodynamics", "mechanics", "electricity",
         "waves", "optics", "equilibrium", "conservation", "kinetics", "diffusion",
-        "reaction rates", "calculus", "linear algebra", "differential equations", 
-        "probability", "statistics", "regression", "interpolation", "transforms", 
-        "numerical", "integration", "error analysis", "kinematics", "dynamics", 
-        "fluid flow", "heat transfer", "stress", "strain", "control", "signals", 
-        "embedded", "database", "OS", "VLSI", "power systems", "machine design", 
-        "networking", "modelling", "compute", "derive", "formulate", "validate", 
-        "solve", "approximation", "assumptions", "constraints", "simulation", 
-        "optimization", "verification", "problem-solving", "quantitative", 
-        "dimensional", "specialization", "theory-based", "unit analysis", 
+        "reaction rates", "calculus", "linear algebra", "differential equations",
+        "probability", "statistics", "regression", "interpolation", "transforms",
+        "numerical", "integration", "error analysis", "kinematics", "dynamics",
+        "fluid flow", "heat transfer", "stress", "strain", "control", "signals",
+        "embedded", "database", "OS", "VLSI", "power systems", "machine design",
+        "networking", "modelling", "compute", "derive", "formulate", "validate",
+        "solve", "approximation", "assumptions", "constraints", "simulation",
+        "optimization", "verification", "problem-solving", "quantitative",
+        "dimensional", "specialization", "theory-based", "unit analysis",
         "abstraction", "material properties", "conservation laws", "estimation",
         "numerical methods", "numerical integration", "circuits", "control basics",
         "embedded basics", "OS concepts", "data structures", "advanced tools", "codes"
     ],
-    
     "PO2": [
-        "identify", "formulate", "analyze", "analysis", "problem", "research", 
-        "investigate", "investigation", "examine", "evaluate", "evaluation", "assess", 
-        "assessment", "literature", "study", "review", "complex", "assumptions", 
-        "constraints", "requirements", "decompose", "root cause", "hypothesis", 
-        "criteria", "metrics", "trade-offs", "case analysis", "feasibility", "risk", 
-        "sustainability", "data gathering", "pattern recognition", "model selection", 
-        "verification", "validation", "evidence", "argumentation", "conclusion", 
-        "justification", "sensitivity", "sensitivity analysis", "physical principles", 
-        "experimental", "measurement", "uncertainty", "empirical", "statistical", 
-        "hypothesis testing", "confidence intervals", "correlation", "multivariate", 
-        "error propagation", "failure modes", "load cases", "boundary conditions", 
-        "specifications", "performance limits", "safety factors", "standards", 
-        "cybersecurity", "grid stability", "bioprocess", "substantiated", 
+        "identify", "formulate", "analyze", "analysis", "problem", "research",
+        "investigate", "investigation", "examine", "evaluate", "evaluation", "assess",
+        "assessment", "literature", "study", "review", "complex", "assumptions",
+        "constraints", "requirements", "decompose", "root cause", "hypothesis",
+        "criteria", "metrics", "trade-offs", "case analysis", "feasibility", "risk",
+        "sustainability", "data gathering", "pattern recognition", "model selection",
+        "verification", "validation", "evidence", "argumentation", "conclusion",
+        "justification", "sensitivity", "sensitivity analysis", "physical principles",
+        "experimental", "measurement", "uncertainty", "empirical", "statistical",
+        "hypothesis testing", "confidence intervals", "correlation", "multivariate",
+        "error propagation", "failure modes", "load cases", "boundary conditions",
+        "specifications", "performance limits", "safety factors", "standards",
+        "cybersecurity", "grid stability", "bioprocess", "substantiated",
         "phenomena", "empirical evidence", "statistical analysis", "standards baseline",
         "domain constraints", "complex scenarios", "advanced methods", "first principles",
         "literature review", "complex problems"
     ],
-    
     "PO3": [
-        "design", "create", "develop", "build", "implement", "implementation", 
-        "construct", "architecture", "model", "prototype", "system", "component", 
-        "solution", "innovative", "creative", "synthesize", "specification", 
-        "requirements", "constraints", "whole-life cost", "net zero", "sustainability", 
-        "public health", "safety", "stakeholder", "trade-off", "optimization", 
-        "feasibility", "innovation", "integration", "standards", "compliance", 
-        "documentation", "design process", "cost analysis", "environmental impact", 
-        "resource efficiency", "life-cycle assessment", "manufacturability", 
-        "maintainability", "codes", "project management", "plan", "propose", 
+        "design", "create", "develop", "build", "implement", "implementation",
+        "construct", "architecture", "model", "prototype", "system", "component",
+        "solution", "innovative", "creative", "synthesize", "specification",
+        "requirements", "constraints", "whole-life cost", "net zero", "sustainability",
+        "public health", "safety", "stakeholder", "trade-off", "optimization",
+        "feasibility", "innovation", "integration", "standards", "compliance",
+        "documentation", "design process", "cost analysis", "environmental impact",
+        "resource efficiency", "life-cycle assessment", "manufacturability",
+        "maintainability", "codes", "project management", "plan", "propose",
         "integrate", "optimize", "specify", "creative solutions", "system components",
-        "processes", "meet needs", "appropriate consideration", "cultural", 
+        "processes", "meet needs", "appropriate consideration", "cultural",
         "societal", "environmental considerations"
     ],
-    
     "PO4": [
-        "experiment", "test", "testing", "measure", "measurement", "data", "analysis", 
-        "interpret", "interpretation", "validation", "verify", "verification", 
+        "experiment", "test", "testing", "measure", "measurement", "data", "analysis",
+        "interpret", "interpretation", "validation", "verify", "verification",
         "research", "investigation", "empirical", "benchmark", "evaluate",
-        "experimental design", "hypothesis testing", "methodology", "data collection", 
-        "analyze data", "validate", "model calibration", "research-based", 
-        "literature review", "protocol", "observation", "inference", "reproducibility", 
-        "documentation", "research methodology", "peer review", "experimental setup", 
+        "experimental design", "hypothesis testing", "methodology", "data collection",
+        "analyze data", "validate", "model calibration", "research-based",
+        "literature review", "protocol", "observation", "inference", "reproducibility",
+        "documentation", "research methodology", "peer review", "experimental setup",
         "critical review", "emerging issues", "investigate", "calibrate",
-        "design of experiments", "synthesis", "synthesis of information", 
+        "design of experiments", "synthesis", "synthesis of information",
         "valid conclusions", "research methods", "research-based knowledge",
         "interpretation of data"
     ],
-    
     "PO5": [
-        "tool", "tools", "technology", "software", "framework", "platform", "library", 
-        "IDE", "programming", "language", "modern", "technique", "method", "approach", 
-        "implement", "application", "use", "utilize", "simulate", "modeling", 
-        "calibrate", "CAD", "CAE", "algorithm", "limitations", "benchmarking", 
-        "tool selection", "automation", "digital twin", "data visualization", 
-        "computation", "process", "manufacturing", "deployment", "instrumentation", 
+        "tool", "tools", "technology", "software", "framework", "platform", "library",
+        "IDE", "programming", "language", "modern", "technique", "method", "approach",
+        "implement", "application", "use", "utilize", "simulate", "modeling",
+        "calibrate", "CAD", "CAE", "algorithm", "limitations", "benchmarking",
+        "tool selection", "automation", "digital twin", "data visualization",
+        "computation", "process", "manufacturing", "deployment", "instrumentation",
         "digital tools", "operate", "program", "automate", "simulation",
         "modern engineering tools", "IT tools", "prediction", "modeling",
         "understanding limitations", "CAD/CAE tools", "modern techniques",
         "appropriate techniques", "resources", "complex engineering activities"
     ],
-    
     "PO6": [
-        "society", "social", "environmental", "environment", "sustainability", 
-        "sustainable", "impact", "ethical", "responsible", "responsibility", 
-        "green", "energy", "carbon", "climate", "eco", "community", "culture", 
-        "global", "societal impact", "legal", "health", "safety", "cultural", 
-        "economic impacts", "standards", "compliance", "lifecycle assessment", 
-        "regulation", "public welfare", "risk assessment", "ethics", "policy", 
-        "public health", "safety standards", "cost-benefit", "resource allocation", 
-        "EIA", "legal framework", "assess", "justify", "comply", "recommend", 
+        "society", "social", "environmental", "environment", "sustainability",
+        "sustainable", "impact", "ethical", "responsible", "responsibility",
+        "green", "energy", "carbon", "climate", "eco", "community", "culture",
+        "global", "societal impact", "legal", "health", "safety", "cultural",
+        "economic impacts", "standards", "compliance", "lifecycle assessment",
+        "regulation", "public welfare", "risk assessment", "ethics", "policy",
+        "public health", "safety standards", "cost-benefit", "resource allocation",
+        "EIA", "legal framework", "assess", "justify", "comply", "recommend",
         "judge", "critique", "environmental science", "reasoning", "contextual knowledge",
         "societal issues", "health issues", "safety issues", "legal issues",
         "cultural issues", "consequent responsibilities", "professional engineering practice",
         "engineer and society"
     ],
-    
     "PO7": [
-        "sustainability", "environmental impact", "resource efficiency", "renewable", 
-        "pollution", "waste management", "climate change", "conservation", 
+        "sustainability", "environmental impact", "resource efficiency", "renewable",
+        "pollution", "waste management", "climate change", "conservation",
         "life-cycle assessment", "green design", "eco-friendly", "regulatory compliance",
-        "sustainable development", "carbon footprint", "circular economy", 
-        "biodiversity", "ecosystem", "environmental degradation", "clean energy", 
-        "water conservation", "soil conservation", "regulation", "public welfare", 
-        "green technology", "climate policy", "renewable resources", 
-        "ecological balance", "professional engineering solutions", 
+        "sustainable development", "carbon footprint", "circular economy",
+        "biodiversity", "ecosystem", "environmental degradation", "clean energy",
+        "water conservation", "soil conservation", "regulation", "public welfare",
+        "green technology", "climate policy", "renewable resources",
+        "ecological balance", "professional engineering solutions",
         "societal contexts", "environmental contexts", "knowledge of sustainable development",
         "need for sustainable development", "understand impact"
     ],
-    
     "PO8": [
-        "ethics", "ethical", "professional", "integrity", "responsibility", 
-        "responsible", "conduct", "moral", "morality", "values", "principles", 
+        "ethics", "ethical", "professional", "integrity", "responsibility",
+        "responsible", "conduct", "moral", "morality", "values", "principles",
         "principle", "honesty", "fairness", "accountability", "code of conduct",
-        "inclusivity", "diversity", "compliance", "governance", "transparency", 
-        "confidentiality", "conflict of interest", "professional ethics", 
-        "moral values", "ethical behavior", "ethical dilemma", "social responsibility", 
-        "professional standards", "code of conduct", "bias mitigation", 
+        "inclusivity", "diversity", "compliance", "governance", "transparency",
+        "confidentiality", "conflict of interest", "professional ethics",
+        "moral values", "ethical behavior", "ethical dilemma", "social responsibility",
+        "professional standards", "code of conduct", "bias mitigation",
         "inclusive behavior", "professional responsibility", "ethical decision-making",
-        "professional norms", "ethical framework", "adhere", "demonstrate", 
+        "professional norms", "ethical framework", "adhere", "demonstrate",
         "respect", "reflect", "act", "commit", "advocate", "ethical principles",
         "commit to ethics", "norms of engineering practice", "professional ethics and responsibilities"
     ],
-    
     "PO9": [
-        "team", "teams", "collaborate", "collaboration", "cooperative", "cooperation", 
-        "group", "leadership", "leader", "member", "members", "teamwork", "collective", 
-        "peer", "diverse", "diversity", "multicultural", "together", "coordinate", 
-        "roles", "team dynamics", "multidisciplinary", "conflict resolution", 
-        "accountability", "contribution", "communication", "delegation", "motivation", 
+        "team", "teams", "collaborate", "collaboration", "cooperative", "cooperation",
+        "group", "leadership", "leader", "member", "members", "teamwork", "collective",
+        "peer", "diverse", "diversity", "multicultural", "together", "coordinate",
+        "roles", "team dynamics", "multidisciplinary", "conflict resolution",
+        "accountability", "contribution", "communication", "delegation", "motivation",
         "feedback", "participation", "project management", "multidisciplinary integration",
-        "cooperate", "lead", "participate", "contribute", "support", "facilitate", 
+        "cooperate", "lead", "participate", "contribute", "support", "facilitate",
         "manage", "team building", "interpersonal skills", "group work",
         "team coordination", "collaborative problem-solving", "function effectively",
         "individual", "member or leader", "diverse teams", "multidisciplinary settings"
     ],
-    
     "PO10": [
-        "communicate", "communication", "present", "presentation", "document", 
-        "documentation", "report", "write", "writing", "speak", "speaking", 
+        "communicate", "communication", "present", "presentation", "document",
+        "documentation", "report", "write", "writing", "speak", "speaking",
         "explain", "articulate", "technical writing", "stakeholder", "audience",
-        "clarity", "visualization", "inclusivity", "language differences", 
-        "comprehension", "oral communication", "written communication", "feedback", 
-        "listening", "negotiation", "reporting", "audience analysis", "illustrate", 
-        "summarize", "interpret", "discuss", "listen", "effective communication", 
+        "clarity", "visualization", "inclusivity", "language differences",
+        "comprehension", "oral communication", "written communication", "feedback",
+        "listening", "negotiation", "reporting", "audience analysis", "illustrate",
+        "summarize", "interpret", "discuss", "listen", "effective communication",
         "clear instructions", "design documentation", "presentation skills",
         "effective reports", "communicate effectively", "engineering community",
-        "society at large", "comprehend", "write effective reports", 
+        "society at large", "comprehend", "write effective reports",
         "make effective presentations", "give and receive instructions",
         "complex engineering activities"
     ],
-    
     "PO11": [
-        "project", "projects", "management", "manage", "plan", "planning", "schedule", 
-        "scheduling", "resource", "resources", "budget", "cost", "timeline", "milestone", 
+        "project", "projects", "management", "manage", "plan", "planning", "schedule",
+        "scheduling", "resource", "resources", "budget", "cost", "timeline", "milestone",
         "risk", "decision", "economic", "strategy", "organize", "organization",
-        "cost analysis", "resource allocation", "feasibility", "management principles", 
-        "economics", "decision-making", "leadership", "project execution", "monitoring", 
-        "evaluation", "procurement", "stakeholder management", "cost estimation", 
+        "cost analysis", "resource allocation", "feasibility", "management principles",
+        "economics", "decision-making", "leadership", "project execution", "monitoring",
+        "evaluation", "procurement", "stakeholder management", "cost estimation",
         "budgeting", "risk management", "allocate", "execute", "coordinate",
-        "financial management", "project planning", "learning", "learn", "adapt", 
-        "adapting", "adaptability", "emerging", "new", "continuous", "lifelong", 
-        "skill", "skills", "development", "growth", "technology", "technologies", 
+        "financial management", "project planning", "learning", "learn", "adapt",
+        "adapting", "adaptability", "emerging", "new", "continuous", "lifelong",
+        "skill", "skills", "development", "growth", "technology", "technologies",
         "trend", "trends", "innovation", "self-learn", "update", "evolve", "change",
-        "technological change", "keep abreast", "critical thinking", "reflect", 
-        "independent learning", "update skills", "professional development", "curiosity", 
-        "continuous improvement", "resilience", "self-learning", "independent study", 
-        "critical review", "emerging issues", "reflection", "continuous learning", 
-        "skill enhancement", "knowledge updating", "pursue", "explore", "inquire", 
+        "technological change", "keep abreast", "critical thinking", "reflect",
+        "independent learning", "update skills", "professional development", "curiosity",
+        "continuous improvement", "resilience", "self-learning", "independent study",
+        "critical review", "emerging issues", "reflection", "continuous learning",
+        "skill enhancement", "knowledge updating", "pursue", "explore", "inquire",
         "improve", "recognize need", "preparation", "ability to engage",
         "independent learning", "life-long learning", "broadest context",
         "engineering and management principles", "apply to own work",
@@ -216,16 +202,11 @@ PO_KEYWORDS = {
     ]
 }
 
-
 class FineTunedCOPOMapper:
     def __init__(self):
         print("Loading model...")
         print(f"===== Application Startup at {datetime.now().strftime('%Y-%m-%d %H:%M:%S')} =====")
-        
-        # Check if HF_TOKEN is available (for HuggingFace Spaces deployment)
         hf_token = os.environ.get("HF_TOKEN")
-        
-        # Try HuggingFace first if token is available (for Spaces deployment with private model)
         if hf_token:
             print("HF_TOKEN found. Attempting to load from HuggingFace (private model)...")
             try:
@@ -235,15 +216,19 @@ class FineTunedCOPOMapper:
                     trust_remote_code=False
                 )
                 print("✓ Model loaded successfully from HuggingFace")
-                return
             except Exception as e:
                 print(f"✗ HuggingFace load failed: {str(e)}")
                 print("Falling back to local model...")
-        
-        # Fall back to local model path (for local development)
+                self._load_local_model()
+        else:
+            self._load_local_model()
+        self.po_embeddings = {}
+        self.bloom_embeddings = {}
+        self._precompute_embeddings()
+
+    def _load_local_model(self):
         model_path = os.path.join(os.path.dirname(__file__), "..", "co_po_bloom_model_v3_finetune")
         model_path = os.path.abspath(model_path)
-        
         try:
             print(f"Attempting to load from local path: {model_path}")
             self.model = SentenceTransformer(
@@ -258,22 +243,18 @@ class FineTunedCOPOMapper:
                 "Please ensure either HF_TOKEN is set (for private model) or "
                 "the model files exist in ../co_po_bloom_model_v3_finetuned/"
             )
-        
-        self.po_embeddings = {}
-        self.bloom_embeddings = {}
-        self._precompute_embeddings()
-    
+
     def _precompute_embeddings(self):
         for po_id, po_text in OFFICIAL_PO_DEFINITIONS.items():
             self.po_embeddings[po_id] = self.model.encode([po_text])[0]
         for level, definition in BLOOM_LEVEL_DEFINITIONS.items():
             self.bloom_embeddings[level] = self.model.encode([definition])[0]
-    
+
     def _normalize_text(self, text):
         text = text.lower()
         text = re.sub(r'[^\w\s]', ' ', text)
         return re.sub(r'\s+', ' ', text).strip()
-    
+
     def _calculate_keyword_score(self, co_text, po_id):
         co_normalized = self._normalize_text(co_text)
         co_words = set(co_normalized.split())
@@ -297,17 +278,15 @@ class FineTunedCOPOMapper:
             return 0.6
         else:
             return min(1.0, matched_count / len(keywords) * 3.0)
-    
+
     def _apply_constraints(self, results, co_text):
         po_scores = {r['po_id']: r['score'] for r in results}
-        
         po_hierarchy = ['PO1', 'PO2', 'PO3', 'PO4']
         for i in range(len(po_hierarchy) - 1):
             current_po = po_hierarchy[i]
             next_po = po_hierarchy[i + 1]
             if po_scores[current_po] < po_scores[next_po]:
                 po_scores[next_po] = po_scores[current_po]
-        
         po7_keywords = [
             "sustainability", "environmental", "resource efficiency", "renewable",
             "pollution", "waste", "climate", "conservation", "eco", "green",
@@ -315,7 +294,6 @@ class FineTunedCOPOMapper:
         ]
         co_lower = co_text.lower()
         po7_keyword_matches = sum(1 for keyword in po7_keywords if keyword in co_lower)
-        
         if po7_keyword_matches >= 3:
             po_scores['PO7'] = 0.8
         elif po7_keyword_matches == 2:
@@ -324,13 +302,11 @@ class FineTunedCOPOMapper:
             po_scores['PO7'] = 0.6
         else:
             po_scores['PO7'] = 0.4
-        
         po11_keywords = [
             "project", "management", "plan", "budget", "schedule", "resource",
             "timeline", "milestone", "risk", "team", "coordinate", "execute"
         ]
         po11_keyword_matches = sum(1 for keyword in po11_keywords if keyword in co_lower)
-        
         if po11_keyword_matches >= 3:
             po_scores['PO11'] = 0.8
         elif po11_keyword_matches == 2:
@@ -339,28 +315,24 @@ class FineTunedCOPOMapper:
             po_scores['PO11'] = 0.6
         else:
             po_scores['PO11'] = 0.4
-        
         for result in results:
             result['score'] = round(po_scores[result['po_id']], 3)
-        
-        return sorted(results, key=lambda x: x['score'], reverse=True)    
-    
+        return sorted(results, key=lambda x: x['score'], reverse=True)
+
     def predict_bloom_level(self, co_text):
         co_embedding = self.model.encode([co_text])[0]
         bloom_scores = {}
         for level, bloom_embedding in self.bloom_embeddings.items():
             similarity = float(cosine_similarity([co_embedding], [bloom_embedding])[0][0])
             bloom_scores[level] = round(similarity, 4)
-        
         predicted_level = max(bloom_scores.items(), key=lambda x: x[1])
-        
         return {
             'predicted_level': predicted_level[0],
             'confidence': predicted_level[1],
             'all_scores': bloom_scores,
             'description': BLOOM_LEVEL_DEFINITIONS[predicted_level[0]]
         }
-    
+
     def map_co_to_pos_semantic(self, co_text):
         co_embedding = self.model.encode([co_text])[0]
         results = []
@@ -385,7 +357,7 @@ class FineTunedCOPOMapper:
             })
         results = self._apply_constraints(results, co_text)
         return results
-    
+
     def map_co_to_pos_hybrid(self, co_text):
         co_embedding = self.model.encode([co_text])[0]
         results = []
@@ -414,31 +386,25 @@ class FineTunedCOPOMapper:
         results = self._apply_constraints(results, co_text)
         return results
 
-
 app = FastAPI(title="CO-PO Mapping API", version="3.0.0 (with Bloom's)")
 app.add_middleware(CORSMiddleware, allow_origins=["*"], allow_credentials=True, allow_methods=["*"], allow_headers=["*"])
 
-
 mapper = None
 
-
 @app.on_event("startup")
 async def startup():
     global mapper
     mapper = FineTunedCOPOMapper()
 
-
 class CORequest(BaseModel):
     co_text: str
     include_bloom: bool = True
 
-
 class BatchCORequest(BaseModel):
     co_texts: List[str]
     include_bloom: bool = True
     max_cos: int = 50
 
-
 class POMapping(BaseModel):
     po_id: str
     score: float
@@ -449,14 +415,12 @@ class POMapping(BaseModel):
     confidence: str
     method: str
 
-
 class BloomPrediction(BaseModel):
     predicted_level: str
     confidence: float
     all_scores: Dict[str, float]
     description: str
 
-
 class MappingResponse(BaseModel):
     co_text: str
     total_pos: int
@@ -464,13 +428,11 @@ class MappingResponse(BaseModel):
     mappings: List[POMapping]
     bloom_prediction: Optional[BloomPrediction] = None
 
-
 class BatchMappingResponse(BaseModel):
     total_cos: int
     method: str
     results: List[Dict[str, Any]]
 
-
 @app.get("/")
 async def root():
     return {
@@ -480,12 +442,10 @@ async def root():
         "features": ["PO Mapping", "Bloom's Taxonomy", "Semantic + Hybrid modes"]
     }
 
-
 @app.get("/health")
 async def health():
     return {"status": "healthy", "model_loaded": mapper is not None}
 
-
 @app.post("/map/semantic", response_model=MappingResponse)
 async def map_semantic(request: CORequest):
     if not request.co_text or not request.co_text.strip():
@@ -500,7 +460,6 @@ async def map_semantic(request: CORequest):
         bloom_prediction=BloomPrediction(**bloom) if bloom else None
     )
 
-
 @app.post("/map/hybrid", response_model=MappingResponse)
 async def map_hybrid(request: CORequest):
     if not request.co_text or not request.co_text.strip():
@@ -515,14 +474,12 @@ async def map_hybrid(request: CORequest):
         bloom_prediction=BloomPrediction(**bloom) if bloom else None
     )
 
-
 @app.post("/map/batch/semantic", response_model=BatchMappingResponse)
 async def map_batch_semantic(request: BatchCORequest):
     if not request.co_texts or len(request.co_texts) == 0:
         raise HTTPException(400, "At least one CO text required")
     if len(request.co_texts) > request.max_cos:
         raise HTTPException(400, f"Maximum {request.max_cos} COs allowed per batch")
-    
     results = []
     for co_text in request.co_texts:
         if not co_text or not co_text.strip():
@@ -536,17 +493,14 @@ async def map_batch_semantic(request: BatchCORequest):
             "mappings": mappings,
             "bloom_prediction": bloom
         })
-    
     return BatchMappingResponse(total_cos=len(results), method="semantic_only", results=results)
 
-
 @app.post("/map/batch/hybrid", response_model=BatchMappingResponse)
 async def map_batch_hybrid(request: BatchCORequest):
     if not request.co_texts or len(request.co_texts) == 0:
         raise HTTPException(400, "At least one CO text required")
     if len(request.co_texts) > request.max_cos:
         raise HTTPException(400, f"Maximum {request.max_cos} COs allowed per batch")
-    
     results = []
     for co_text in request.co_texts:
         if not co_text or not co_text.strip():
@@ -560,5 +514,4 @@ async def map_batch_hybrid(request: BatchCORequest):
             "mappings": mappings,
             "bloom_prediction": bloom
         })
-    
     return BatchMappingResponse(total_cos=len(results), method="hybrid", results=results)