initial

sql/migration/V003__add_folder_support.sql

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+CREATE TABLE IF NOT EXISTS folders
+(
+    id                  UUID PRIMARY KEY         DEFAULT gen_random_uuid(),
+    path                TEXT NOT NULL UNIQUE,
+    parent_path         TEXT,
+    disk_label          VARCHAR(50),
+
+    file_count          INT                      DEFAULT 0,
+    total_size          BIGINT                   DEFAULT 0,
+
+    project_type        VARCHAR(50),
+    intent              TEXT,
+    summary             TEXT,
+
+    has_readme          BOOLEAN                  DEFAULT FALSE,
+    has_git             BOOLEAN                  DEFAULT FALSE,
+    has_manifest        BOOLEAN                  DEFAULT FALSE,
+    manifest_types      TEXT[],
+    dominant_file_types JSONB,
+
+    structure           JSONB,
+
+    created_at          TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at          TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_folders_path ON folders (path);
+CREATE INDEX IF NOT EXISTS idx_folders_parent ON folders (parent_path);
+CREATE INDEX IF NOT EXISTS idx_folders_disk ON folders (disk_label);
+CREATE INDEX IF NOT EXISTS idx_folders_project_type ON folders (project_type);
+
+CREATE TABLE IF NOT EXISTS processing_checkpoints
+(
+    task_name           VARCHAR(100) PRIMARY KEY,
+    last_processed_id   TEXT,
+    last_processed_path TEXT,
+    processed_count     INT                      DEFAULT 0,
+    total_count         INT,
+    started_at          TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated_at          TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);