Phase 0.1: Remove backend deprecated code

- Delete routes: counter.py, sum.py
- Delete jobs.py and worker.py
- Delete tests: test_counter.py, test_jobs.py
- Update audit.py: keep only price-history endpoints
- Update models.py: remove VIEW_COUNTER, INCREMENT_COUNTER, USE_SUM permissions
- Update models.py: remove Counter, SumRecord, CounterRecord, RandomNumberOutcome models
- Update schemas.py: remove sum/counter related schemas
- Update main.py: remove deleted router imports
- Update test_permissions.py: remove tests for deprecated features
- Update test_price_history.py: remove worker-related tests
- Update conftest.py: remove mock_enqueue_job fixture
- Update auth.py: fix example in docstring

backend/tests/test_price_history.py

@@ -1,6 +1,5 @@
 """Tests for price history feature."""
 
-from contextlib import asynccontextmanager
 from datetime import UTC, datetime
 from typing import Any
 from unittest.mock import AsyncMock, MagicMock, patch
@@ -9,7 +8,6 @@ import pytest
 
 from models import PriceHistory
 from price_fetcher import PAIR_BTC_EUR, SOURCE_BITFINEX, fetch_btc_eur_price
-from worker import process_bitcoin_price_job
 
 
 def create_mock_httpx_client(
@@ -293,76 +291,3 @@ class TestManualFetch:
         data = response.json()
         assert data["id"] == existing_id
         assert data["price"] == 90000.0  # Original price, not the new one
-
-
-def create_mock_pool(mock_conn: AsyncMock) -> MagicMock:
-    """Create a mock asyncpg pool with proper async context manager behavior."""
-    mock_pool = MagicMock()
-
-    @asynccontextmanager
-    async def mock_acquire():
-        yield mock_conn
-
-    mock_pool.acquire = mock_acquire
-    return mock_pool
-
-
-class TestProcessBitcoinPriceJob:
-    """Tests for the scheduled Bitcoin price job handler."""
-
-    @pytest.mark.asyncio
-    async def test_stores_price_on_success(self):
-        """Verify price is stored in database on successful fetch."""
-        mock_http_client = create_mock_httpx_client(
-            json_response=create_bitfinex_ticker_response(95000.0)
-        )
-
-        mock_conn = AsyncMock()
-        mock_pool = create_mock_pool(mock_conn)
-
-        with patch("price_fetcher.httpx.AsyncClient", return_value=mock_http_client):
-            await process_bitcoin_price_job(mock_pool)
-
-        # Verify execute was called with correct values
-        mock_conn.execute.assert_called_once()
-        call_args = mock_conn.execute.call_args
-
-        # Check the SQL parameters
-        assert call_args[0][1] == SOURCE_BITFINEX  # source
-        assert call_args[0][2] == PAIR_BTC_EUR  # pair
-        assert call_args[0][3] == 95000.0  # price
-
-    @pytest.mark.asyncio
-    async def test_fails_silently_on_api_error(self):
-        """Verify no exception is raised and no DB insert on API error."""
-        import httpx
-
-        error = httpx.HTTPStatusError(
-            "Server Error", request=MagicMock(), response=MagicMock()
-        )
-        mock_http_client = create_mock_httpx_client(raise_for_status_error=error)
-
-        mock_conn = AsyncMock()
-        mock_pool = create_mock_pool(mock_conn)
-
-        with patch("price_fetcher.httpx.AsyncClient", return_value=mock_http_client):
-            # Should not raise an exception
-            await process_bitcoin_price_job(mock_pool)
-
-        # Should not have called execute
-        mock_conn.execute.assert_not_called()
-
-    @pytest.mark.asyncio
-    async def test_fails_silently_on_db_error(self):
-        """Verify no exception is raised on database error."""
-        mock_http_client = create_mock_httpx_client(
-            json_response=create_bitfinex_ticker_response(95000.0)
-        )
-
-        mock_conn = AsyncMock()
-        mock_conn.execute.side_effect = Exception("Database connection error")
-        mock_pool = create_mock_pool(mock_conn)
-
-        with patch("price_fetcher.httpx.AsyncClient", return_value=mock_http_client):
-            # Should not raise an exception
-            await process_bitcoin_price_job(mock_pool)