Statistiche per sessione di produzione: filtro production_run_id, elenco sessioni, select Sessione (#58)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/backend/services/report_service.py

@@ -48,6 +48,7 @@ async def _query_measurements(
     operator_id: int | None = None,
     lot_number: str | None = None,
     serial_number: str | None = None,
+    production_run_id: int | None = None,  # #58
 ) -> list[Measurement]:
     """Query measurements with common filters (duplicated from statistics router)."""
     filters = []
@@ -73,6 +74,9 @@ async def _query_measurements(
     if serial_number is not None:
         filters.append(Measurement.serial_number == serial_number)
 
+    if production_run_id is not None:
+        filters.append(Measurement.production_run_id == production_run_id)
+
     query = (
         select(Measurement)
         .where(and_(*filters) if filters else True)
@@ -281,6 +285,7 @@ async def generate_spc_report(
     operator_id: int | None = None,
     lot_number: str | None = None,
     serial_number: str | None = None,
+    production_run_id: int | None = None,  # #58
 ) -> bytes:
     """Generate SPC PDF report and return bytes.
 
@@ -290,6 +295,7 @@ async def generate_spc_report(
     measurements = await _query_measurements(
         db, recipe_id, version_id, subtask_id,
         date_from, date_to, operator_id, lot_number, serial_number,
+        production_run_id=production_run_id,  # #58
     )
 
     # 2. Compute SPC data
@@ -336,6 +342,8 @@ async def generate_spc_report(
         filters_desc.append(f"Lot: {lot_number}")
     if serial_number:
         filters_desc.append(f"Serial: {serial_number}")
+    if production_run_id is not None:
+        filters_desc.append(f"Run: {production_run_id}")  # #58
 
     # 6. Render HTML template
     template = _jinja_env.get_template("spc_report.html")
@@ -367,12 +375,14 @@ async def generate_measurement_report(
     operator_id: int | None = None,
     lot_number: str | None = None,
     serial_number: str | None = None,
+    production_run_id: int | None = None,  # #58
 ) -> bytes:
     """Generate measurement table PDF report and return bytes."""
     # 1. Query measurements
     measurements = await _query_measurements(
         db, recipe_id, version_id, subtask_id,
         date_from, date_to, operator_id, lot_number, serial_number,
+        production_run_id=production_run_id,  # #58
     )
 
     # 2. Get recipe info
@@ -427,6 +437,8 @@ async def generate_measurement_report(
         filters_desc.append(f"Lot: {lot_number}")
     if serial_number:
         filters_desc.append(f"Serial: {serial_number}")
+    if production_run_id is not None:
+        filters_desc.append(f"Run: {production_run_id}")  # #58
 
     # 7. Render template
     template = _jinja_env.get_template("measurement_report.html")