domain-level constraints

src/physcom/db/schema.py

@@ -81,14 +81,15 @@ CREATE TABLE IF NOT EXISTS combination_scores (
 );
 
 CREATE TABLE IF NOT EXISTS combination_results (
-    id              INTEGER PRIMARY KEY AUTOINCREMENT,
-    combination_id  INTEGER NOT NULL REFERENCES combinations(id),
-    domain_id       INTEGER NOT NULL REFERENCES domains(id),
-    composite_score REAL,
-    novelty_flag    TEXT,
-    llm_review      TEXT,
-    human_notes     TEXT,
-    pass_reached    INTEGER,
+    id                  INTEGER PRIMARY KEY AUTOINCREMENT,
+    combination_id      INTEGER NOT NULL REFERENCES combinations(id),
+    domain_id           INTEGER NOT NULL REFERENCES domains(id),
+    composite_score     REAL,
+    novelty_flag        TEXT,
+    llm_review          TEXT,
+    human_notes         TEXT,
+    pass_reached        INTEGER,
+    domain_block_reason TEXT,
     UNIQUE(combination_id, domain_id)
 );
 
@@ -109,6 +110,14 @@ CREATE TABLE IF NOT EXISTS pipeline_runs (
     created_at      TIMESTAMP DEFAULT CURRENT_TIMESTAMP
 );
 
+CREATE TABLE IF NOT EXISTS domain_constraints (
+    id          INTEGER PRIMARY KEY AUTOINCREMENT,
+    domain_id   INTEGER NOT NULL REFERENCES domains(id),
+    key         TEXT NOT NULL,
+    value       TEXT NOT NULL,
+    UNIQUE(domain_id, key, value)
+);
+
 CREATE INDEX IF NOT EXISTS idx_deps_entity ON dependencies(entity_id);
 CREATE INDEX IF NOT EXISTS idx_deps_category_key ON dependencies(category, key);
 CREATE INDEX IF NOT EXISTS idx_combo_status ON combinations(status);
@@ -126,6 +135,26 @@ def _migrate(conn: sqlite3.Connection) -> None:
             "ALTER TABLE domain_metric_weights ADD COLUMN lower_is_better INTEGER NOT NULL DEFAULT 0"
         )
 
+    # Create domain_constraints table if missing (added after initial schema)
+    tables = {r[0] for r in conn.execute(
+        "SELECT name FROM sqlite_master WHERE type='table'"
+    ).fetchall()}
+    if "domain_constraints" not in tables:
+        conn.execute("""CREATE TABLE IF NOT EXISTS domain_constraints (
+            id          INTEGER PRIMARY KEY AUTOINCREMENT,
+            domain_id   INTEGER NOT NULL REFERENCES domains(id),
+            key         TEXT NOT NULL,
+            value       TEXT NOT NULL,
+            UNIQUE(domain_id, key, value)
+        )""")
+
+    # Add domain_block_reason to combination_results if missing
+    result_cols = {r[1] for r in conn.execute("PRAGMA table_info(combination_results)").fetchall()}
+    if "domain_block_reason" not in result_cols:
+        conn.execute(
+            "ALTER TABLE combination_results ADD COLUMN domain_block_reason TEXT"
+        )
+
     # Backfill: cost_efficiency is lower-is-better in all domains
     conn.execute(
         """UPDATE domain_metric_weights SET lower_is_better = 1