feat(persistence): SQLite schema + repository for runs/genomes/evals/cost

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/multi_swarm/persistence/schema.py

@@ -0,0 +1,77 @@
+SCHEMA_SQL = """
+CREATE TABLE IF NOT EXISTS runs (
+    id TEXT PRIMARY KEY,
+    name TEXT NOT NULL,
+    started_at TEXT NOT NULL,
+    completed_at TEXT,
+    status TEXT NOT NULL DEFAULT 'running',
+    config_json TEXT NOT NULL,
+    total_cost_usd REAL NOT NULL DEFAULT 0.0
+);
+
+CREATE TABLE IF NOT EXISTS generations (
+    run_id TEXT NOT NULL,
+    generation_idx INTEGER NOT NULL,
+    started_at TEXT,
+    completed_at TEXT,
+    n_genomes INTEGER NOT NULL,
+    fitness_median REAL NOT NULL,
+    fitness_max REAL NOT NULL,
+    fitness_p90 REAL NOT NULL,
+    entropy REAL NOT NULL,
+    PRIMARY KEY (run_id, generation_idx),
+    FOREIGN KEY (run_id) REFERENCES runs(id)
+);
+
+CREATE TABLE IF NOT EXISTS genomes (
+    id TEXT NOT NULL,
+    run_id TEXT NOT NULL,
+    generation_idx INTEGER NOT NULL,
+    payload_json TEXT NOT NULL,
+    PRIMARY KEY (id, run_id, generation_idx),
+    FOREIGN KEY (run_id) REFERENCES runs(id)
+);
+
+CREATE TABLE IF NOT EXISTS evaluations (
+    run_id TEXT NOT NULL,
+    genome_id TEXT NOT NULL,
+    fitness REAL NOT NULL,
+    dsr REAL NOT NULL,
+    dsr_pvalue REAL NOT NULL,
+    sharpe REAL NOT NULL,
+    max_dd REAL NOT NULL,
+    total_return REAL NOT NULL,
+    n_trades INTEGER NOT NULL,
+    parse_error TEXT,
+    raw_text TEXT,
+    eval_ts TEXT NOT NULL,
+    PRIMARY KEY (run_id, genome_id),
+    FOREIGN KEY (run_id) REFERENCES runs(id)
+);
+
+CREATE TABLE IF NOT EXISTS cost_records (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    run_id TEXT NOT NULL,
+    agent_id TEXT NOT NULL,
+    ts TEXT NOT NULL,
+    tier TEXT NOT NULL,
+    input_tokens INTEGER NOT NULL,
+    output_tokens INTEGER NOT NULL,
+    cost_usd REAL NOT NULL,
+    FOREIGN KEY (run_id) REFERENCES runs(id)
+);
+
+CREATE TABLE IF NOT EXISTS adversarial_findings (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    run_id TEXT NOT NULL,
+    genome_id TEXT NOT NULL,
+    name TEXT NOT NULL,
+    severity TEXT NOT NULL,
+    detail TEXT NOT NULL,
+    FOREIGN KEY (run_id) REFERENCES runs(id)
+);
+
+CREATE INDEX IF NOT EXISTS idx_evaluations_fitness ON evaluations(run_id, fitness DESC);
+CREATE INDEX IF NOT EXISTS idx_genomes_generation ON genomes(run_id, generation_idx);
+CREATE INDEX IF NOT EXISTS idx_cost_run ON cost_records(run_id);
+"""