update ignore files

backend/.gitignore

@@ -0,0 +1,46 @@
+# Maven
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+# IntelliJ IDEA
+.idea/
+*.iws
+*.iml
+*.ipr
+
+# Eclipse
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+# VS Code
+.vscode/
+
+# NetBeans
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+# Logs
+*.log
+logs/
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Environment
+.env
+.env.local
+*.env

backend/src/main/java/com/aiteacher/book/BookController.java

@@ -6,7 +6,6 @@ import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
-import java.time.Instant;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;

backend/target/classes/application.yaml

@@ -1,52 +0,0 @@
-spring:
-  datasource:
-    url: ${DB_URL:jdbc:postgresql://master:30432/aiteacher}
-    username: ${DB_USERNAME:user}
-    password: ${DB_PASSWORD:password}
-    driver-class-name: org.postgresql.Driver
-
-  jpa:
-    hibernate:
-      ddl-auto: false
-    show-sql: false
-    properties:
-      hibernate:
-        format_sql: false
-        dialect: org.hibernate.dialect.PostgreSQLDialect
-    open-in-view: false
-
-  flyway:
-    enabled: true
-    locations: classpath:db/migration
-
-  ai:
-    vectorstore:
-      pgvector:
-        dimensions: 1536
-        distance-type: COSINE_DISTANCE
-        index-type: HNSW
-        initialize-schema: true
-    openai:
-      api-key: ${OPENAI_API_KEY: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}
-      chat:
-        options:
-          model: gpt-4o-mini
-      embedding:
-        options:
-          model: text-embedding-3-small
-
-  servlet:
-    multipart:
-      max-file-size: 100MB
-      max-request-size: 100MB
-
-  task:
-    execution:
-      pool:
-        core-size: 4
-        max-size: 8
-        queue-capacity: 50
-
-app:
-  auth:
-    password: ${APP_PASSWORD:changeme}

backend/target/classes/db/migration/V1__initial_schema.sql

@@ -1,33 +0,0 @@
--- ============================================================
--- V1: Initial schema
--- Spring AI manages the vector_store table separately.
--- ============================================================
-
-CREATE TABLE IF NOT EXISTS book (
-    id               UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    title            VARCHAR(500) NOT NULL,
-    file_name        VARCHAR(500) NOT NULL,
-    file_size_bytes  BIGINT NOT NULL,
-    page_count       INT,
-    status           VARCHAR(20) NOT NULL DEFAULT 'PENDING',
-    error_message    TEXT,
-    uploaded_at      TIMESTAMPTZ NOT NULL DEFAULT now(),
-    processed_at     TIMESTAMPTZ
-);
-
-CREATE TABLE IF NOT EXISTS chat_session (
-    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    topic_id   VARCHAR(100),
-    created_at TIMESTAMPTZ NOT NULL DEFAULT now()
-);
-
-CREATE TABLE IF NOT EXISTS message (
-    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    session_id UUID NOT NULL REFERENCES chat_session(id) ON DELETE CASCADE,
-    role       VARCHAR(10) NOT NULL,
-    content    TEXT NOT NULL,
-    sources    JSONB,
-    created_at TIMESTAMPTZ NOT NULL DEFAULT now()
-);
-
-CREATE INDEX IF NOT EXISTS idx_message_session ON message(session_id, created_at);

backend/target/classes/db/migration/V2__pgvector_store.sql

@@ -1,17 +0,0 @@
--- ============================================================
--- V2: pgvector extension + Spring AI vector_store table
--- Replaces Spring AI's initialize-schema=true (which requires
--- CREATE SCHEMA privilege and fails on restricted users).
--- ============================================================
-
-CREATE EXTENSION IF NOT EXISTS vector;
-
-CREATE TABLE IF NOT EXISTS vector_store (
-    id        uuid      DEFAULT gen_random_uuid() PRIMARY KEY,
-    content   text,
-    metadata  json,
-    embedding vector(1536)
-);
-
-CREATE INDEX IF NOT EXISTS spring_ai_vector_index
-    ON vector_store USING hnsw (embedding vector_cosine_ops);

backend/target/classes/db/migration/V3__topics_table.sql

@@ -1,48 +0,0 @@
-CREATE TABLE topic (
-    id          VARCHAR(100) PRIMARY KEY,
-    name        VARCHAR(255) NOT NULL,
-    description TEXT         NOT NULL,
-    category    VARCHAR(100) NOT NULL
-);
-
-INSERT INTO topic (id, name, description, category) VALUES
-    ('intracranial-aneurysms',
-     'Intracranial Aneurysms',
-     'Diagnosis, classification, endovascular coiling, flow diversion, and surgical clipping of intracranial aneurysms.',
-     'Neurointervention'),
-    ('arteriovenous-malformations',
-     'Arteriovenous Malformations',
-     'Pathophysiology, Spetzler-Martin grading, embolization strategies, and multimodality treatment of cerebral AVMs.',
-     'Neurointervention'),
-    ('dural-arteriovenous-fistula',
-     'Dural Arteriovenous Fistula (DAVF)',
-     'Classification (Borden/Cognard), clinical presentation, transarterial and transvenous embolization of DAVFs.',
-     'Neurointervention'),
-    ('acute-ischemic-stroke',
-     'Acute Ischemic Stroke (AIS)',
-     'IV thrombolysis, mechanical thrombectomy, patient selection, access strategies, and outcomes for acute ischemic stroke.',
-     'Neurointervention'),
-    ('carotid-vertebral-artery-disease',
-     'Carotid & Vertebral Artery Disease',
-     'Carotid artery stenting, angioplasty, dissection management, and vertebral artery interventions.',
-     'Neurointervention'),
-    ('spinal-vascular-malformations',
-     'Spinal Vascular Malformations',
-     'Classification, angiographic evaluation, and endovascular treatment of spinal dural and perimedullary fistulas and AVMs.',
-     'Neurointervention'),
-    ('tumor-embolization',
-     'Tumor Embolization',
-     'Pre-operative embolization techniques, embolic agents, and complication management for hypervascular tumors.',
-     'Neurointervention'),
-    ('cerebral-venous-disease',
-     'Cerebral Venous Disease',
-     'Cerebral venous sinus thrombosis, venous angioplasty, stenting for intracranial hypertension, and dural sinus interventions.',
-     'Neurointervention'),
-    ('pediatric-neurointervention',
-     'Pediatric Neurointervention',
-     'Specific considerations, techniques, and outcomes for endovascular procedures in the pediatric population.',
-     'Neurointervention'),
-    ('free-form',
-     'Free-form Chat',
-     'Open-ended questions across any neurointervention topic.',
-     'General');

backend/target/classes/topics.json

@@ -1,56 +0,0 @@
-[
-  {
-    "id": "intracranial-aneurysms",
-    "name": "Intracranial Aneurysms",
-    "description": "Diagnosis, classification, endovascular coiling, flow diversion, and surgical clipping of intracranial aneurysms.",
-    "category": "Neurointervention"
-  },
-  {
-    "id": "arteriovenous-malformations",
-    "name": "Arteriovenous Malformations",
-    "description": "Pathophysiology, Spetzler-Martin grading, embolization strategies, and multimodality treatment of cerebral AVMs.",
-    "category": "Neurointervention"
-  },
-  {
-    "id": "dural-arteriovenous-fistula",
-    "name": "Dural Arteriovenous Fistula (DAVF)",
-    "description": "Classification (Borden/Cognard), clinical presentation, transarterial and transvenous embolization of DAVFs.",
-    "category": "Neurointervention"
-  },
-  {
-    "id": "acute-ischemic-stroke",
-    "name": "Acute Ischemic Stroke (AIS)",
-    "description": "IV thrombolysis, mechanical thrombectomy, patient selection, access strategies, and outcomes for acute ischemic stroke.",
-    "category": "Neurointervention"
-  },
-  {
-    "id": "carotid-vertebral-artery-disease",
-    "name": "Carotid & Vertebral Artery Disease",
-    "description": "Carotid artery stenting, angioplasty, dissection management, and vertebral artery interventions.",
-    "category": "Neurointervention"
-  },
-  {
-    "id": "spinal-vascular-malformations",
-    "name": "Spinal Vascular Malformations",
-    "description": "Classification, angiographic evaluation, and endovascular treatment of spinal dural and perimedullary fistulas and AVMs.",
-    "category": "Neurointervention"
-  },
-  {
-    "id": "tumor-embolization",
-    "name": "Tumor Embolization",
-    "description": "Pre-operative embolization techniques, embolic agents, and complication management for hypervascular tumors.",
-    "category": "Neurointervention"
-  },
-  {
-    "id": "cerebral-venous-disease",
-    "name": "Cerebral Venous Disease",
-    "description": "Cerebral venous sinus thrombosis, venous angioplasty, stenting for intracranial hypertension, and dural sinus interventions.",
-    "category": "Neurointervention"
-  },
-  {
-    "id": "pediatric-neurointervention",
-    "name": "Pediatric Neurointervention",
-    "description": "Specific considerations, techniques, and outcomes for endovascular procedures in the pediatric population.",
-    "category": "Neurointervention"
-  }
-]

backend/target/maven-archiver/pom.properties

@@ -1,3 +0,0 @@
-artifactId=ai-teacher-backend
-groupId=com.aiteacher
-version=0.0.1-SNAPSHOT

backend/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

@@ -1,25 +0,0 @@
-com/aiteacher/AiTeacherApplication.class
-com/aiteacher/book/BookEmbeddingService.class
-com/aiteacher/topic/TopicController.class
-com/aiteacher/topic/TopicSummaryService.class
-com/aiteacher/book/BookRepository.class
-com/aiteacher/chat/ChatSession.class
-com/aiteacher/config/GlobalExceptionHandler.class
-com/aiteacher/topic/Topic.class
-com/aiteacher/topic/TopicSummaryResponse$SourceReference.class
-com/aiteacher/chat/ChatService.class
-com/aiteacher/chat/MessageRole.class
-com/aiteacher/chat/ChatController.class
-com/aiteacher/chat/Message.class
-com/aiteacher/book/NoKnowledgeSourceException.class
-com/aiteacher/config/AiConfig.class
-com/aiteacher/book/BookService.class
-com/aiteacher/book/BookController.class
-com/aiteacher/topic/TopicConfigLoader.class
-com/aiteacher/config/SecurityConfig.class
-com/aiteacher/topic/TopicSummaryResponse.class
-com/aiteacher/chat/ChatSessionRepository.class
-com/aiteacher/book/BookStatus.class
-com/aiteacher/book/Book.class
-com/aiteacher/topic/TopicConfigLoader$1.class
-com/aiteacher/chat/MessageRepository.class

backend/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

@@ -1,24 +0,0 @@
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/AiTeacherApplication.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/book/Book.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/book/BookController.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/book/BookEmbeddingService.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/book/BookRepository.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/book/BookService.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/book/BookStatus.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/book/NoKnowledgeSourceException.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/chat/ChatController.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/chat/ChatService.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/chat/ChatSession.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/chat/ChatSessionRepository.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/chat/Message.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/chat/MessageRepository.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/chat/MessageRole.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/config/AiConfig.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/config/GlobalExceptionHandler.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/config/SecurityConfig.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/topic/Topic.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/topic/TopicConfigLoader.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/topic/TopicController.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/topic/TopicRepository.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/topic/TopicSummaryResponse.java
-/home/adrien/project/java/ai-teacher/backend/src/main/java/com/aiteacher/topic/TopicSummaryService.java