# open_file_negative

## Query
Открой файл nonexistent/foo.py

## Expected
- intent: CODE_QA, sub_intent: OPEN_FILE
- answer_mode: degraded

## Actual
- intent: CODE_QA, sub_intent: OPEN_FILE
- answer_mode: insufficient
- evidence_gate_passed: False
- evidence_count: 0

## Result
FAIL

## Mismatches
- answer_mode: expected degraded, got insufficient

## Router
- path_scope: ['nonexistent/foo.py']
- layers: ['C0_SOURCE_CHUNKS']

## Retrieval
- requested_layers: ['C0_SOURCE_CHUNKS']
- chunk_count: 0
- layer_outcomes: [('C0_SOURCE_CHUNKS', 0)]

## Evidence gate
- failure_reasons: ['path_scope_empty', 'layer_c0_empty']

## Timings (ms)
{'router': 0, 'retrieval_total': 9, 'symbol_resolution': 0}
