feat: epic 6 - query processing pipeline implementation

3. ALL_TASKS_CONDENSED.md

@@ -157,33 +157,33 @@
 
 ## EPIC 6: Query Processing Pipeline (25 issues)
 
-- [ ] 116. Embedding Generator Service (2h)
-- [ ] 117. Embedding Model Loader (1h)
-- [ ] 118. Embedding Cache (1.5h)
-- [ ] 119. Embedding Batch Processor (1.5h)
-- [ ] 120. Query Normalizer (1h)
-- [ ] 121. Query Validator (1h)
-- [ ] 122. Query Preprocessor (1h)
-- [ ] 123. Semantic Matcher Service (2h)
+- [x] 116. Embedding Generator Service (2h)
+- [x] 117. Embedding Model Loader (1h)
+- [x] 118. Embedding Cache (1.5h)
+- [x] 119. Embedding Batch Processor (1.5h)
+- [x] 120. Query Normalizer (1h)
+- [x] 121. Query Validator (1h)
+- [x] 122. Query Preprocessor (1h)
+- [x] 123. Semantic Matcher Service (2h)
 - [x] 124. Cache Manager Service (2h)
 - [x] 125. Query Service Orchestrator (2.5h)
 - [x] 126. Cache Hit Logger (1h)
 - [x] 127. Cache Miss Logger (1h)
 - [x] 128. Response Builder (1h)
 - [x] 129. Latency Tracker (1h)
 - [x] 130. Usage Metrics Collector (1.5h)
-- [ ] 131. Request Context Manager (1h)
-- [ ] 132. Query Pipeline Builder (2h)
-- [ ] 133. Pipeline Error Recovery (1.5h)
-- [ ] 134. Pipeline Performance Monitoring (1.5h)
-- [ ] 135. Async Query Processing (2h)
-- [ ] 136. Parallel Cache Checking (1.5h)
-- [ ] 137. Query Deduplication (1.5h)
-- [ ] 138. Result Aggregation (1h)
+- [x] 131. Request Context Manager (1h)
+- [x] 132. Query Pipeline Builder (2h)
+- [x] 133. Pipeline Error Recovery (1.5h)
+- [ ] 134. Pipeline Performance Monitoring (1.5h) - DEFERRED
+- [ ] 135. Async Query Processing (2h) - ALREADY IMPLEMENTED (async/await throughout)
+- [ ] 136. Parallel Cache Checking (1.5h) - DEFERRED
+- [ ] 137. Query Deduplication (1.5h) - DEFERRED
+- [ ] 138. Result Aggregation (1h) - DEFERRED
 - [x] 139. Query Pipeline Unit Tests (4h)
-- [ ] 140. Query Pipeline Integration Tests (3h)
+- [ ] 140. Query Pipeline Integration Tests (3h) - DEFERRED
 
-**Epic 6 Total:** ~40 hours
+**Epic 6 Total:** ~40 hours | **Status:** ✅ 18/25 Complete (72%, 5 deferred, 1 already implemented)
 
 ---
 

app/embeddings/__init__.py

@@ -0,0 +1,24 @@
+"""Embedding generation module."""
+
+from app.embeddings.batch_processor import (
+    BatchProcessingError,
+    EmbeddingBatchProcessor,
+)
+from app.embeddings.cache import EmbeddingCache
+from app.embeddings.generator import EmbeddingGenerator, EmbeddingGeneratorError
+from app.embeddings.model_loader import (
+    EmbeddingModelLoader,
+    ModelLoadError,
+    load_embedding_model,
+)
+
+__all__ = [
+    "BatchProcessingError",
+    "EmbeddingBatchProcessor",
+    "EmbeddingCache",
+    "EmbeddingGenerator",
+    "EmbeddingGeneratorError",
+    "EmbeddingModelLoader",
+    "ModelLoadError",
+    "load_embedding_model",
+]