feat: camera-restore + LauncherUI UX 개선 + player fallback 강화 (#15)
camera-restore: - IEngineStateProvider.SetCamera 반사 쓰기 (HmegDirectStateProvider) - POST /camera/restore (BridgeHttpServer, StateRouter) - Recorder --sidecar-url + camera_snapshot 캡처 - UiaPlayerHost.TryRestoreCamera, PlayerEngine 재생 전 복원 - 149 tests LauncherUI (#15): - Sidecar URL 체크박스 + 입력란 (녹화/재생 모두 연동) - 재생 속도 슬라이더 (0.25x~4.0x, 기본 1.0x) - 빌드 타임스탬프 타이틀바 표시 - 녹화 완료 후 RecordNameBox 초기화 - UiAnalysisWindow 추가 PlayerEngine (#15): - CancellationToken 지원 (중단 버튼 동작) - Focus 스텝 early return (no-op, issue #11) - Type/Drag unresolvable UIA path fallback - SpeedMultiplier 옵션 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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minsung
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docs/contracts/camera-restore.evaluation.md
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docs/contracts/camera-restore.evaluation.md
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# Evaluation — camera-restore (2026-04-10 09:30)
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Verdict: **pass**
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| # | DoD item | Score | Evidence |
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|---|----------|-------|----------|
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| D1 | `IEngineStateProvider` has `SetCamera(CameraSnapshot)`. `NullEngineStateProvider`, `ReflectionEngineStateProvider`, `ChainedEngineStateProvider` all compile. | pass | `src/Recordingtest.Bridge.Abstractions/IEngineStateProvider.cs` line 23 (`void SetCamera(CameraSnapshot snapshot)`); `NullEngineStateProvider.SetCamera` line 43 (no-op); `ReflectionEngineStateProvider.SetCamera` in `src/Sut/EgBim/.../IEngineStateProvider.cs` line 84 (no-op); `ChainedEngineStateProvider.SetCamera` line 56 (delegates to primary). All pass `dotnet test` build. |
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| D2 | `HmegDirectStateProvider.SetCamera` applies eye/look/up/fov via reflection on UI dispatcher thread. | pass | `src/Hmeg/Recordingtest.Hmeg.Bridge/HmegDirectStateProvider.cs` lines 167–201: `SetCamera` computes lookDir from target-eye, calls `WriteVec3`/`WriteDouble` via reflection. Dispatches via `_uiDispatch` when not null (lines 192–195). `HmEgBridgePlugin` wires `Application.Current.Dispatcher.Invoke` at line 116. |
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| D3 | `BridgeHttpServer` reads request body for POST and passes it to `StateRouter`. | pass | `src/Sut/EgBim/.../BridgeHttpServer.cs` lines 46–56: reads `ctx.Request.InputStream` when `HasEntityBody`; passes `requestBody` to `_router.Route(method, path, requestBody)` at line 57. |
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| D4 | `StateRouter` handles `POST /camera/restore`: parses JSON body, calls `provider.SetCamera(...)`. Returns `{"ok":true}` on success, `{"error":"..."}` on failure. | partial | `src/Sut/EgBim/.../StateRouter.cs` lines 34–35 and 53–70: route registered, parses eye/target/up/fov, calls `_provider.SetCamera(...)`, returns `{"ok":true}`. On failure returns `{"ok":false,"error":"..."}` (line 68), not the bare `{"error":"..."}` specified in the contract. Minor extra field present; functionally compatible. |
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| D5 | `HmEgHttpSnapshot.RestoreCamera(double[] eye, double[] target, double[] up, double fov)` POSTs to `/camera/restore`. | pass | `src/Hmeg/Recordingtest.Hmeg.Bridge.Client/HmEgHttpSnapshot.cs` lines 94–115: method exists, POSTs to `_baseUrl + "/camera/restore"` with JSON body built by `BuildCameraJson`. |
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| D6 | Recorder `Scenario` model has `CameraSnapshot?` field (YAML: `camera_snapshot`). Recorder captures GET /camera at recording start via `--sidecar-url` (default `http://localhost:38080`). | pass | `src/Recordingtest.Recorder/Scenario.cs` line 13: `public RecordedCameraSnapshot? CameraSnapshot`. `Program.cs` line 118: `TryCaptureCamera(args.SidecarUrl)` called before recording. `ParseArgs` line 61 defaults `sidecarUrl` to `"http://localhost:38080"`. `ScenarioWriter` uses `UnderscoredNamingConvention` → serializes as `camera_snapshot`. |
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| D7 | Player `Scenario` model has `CameraSnapshot?` field. `IPlayerHost.TryRestoreCamera(...)` defaults to `return false`. `PlayerEngine.Run()` calls it when snapshot not null, logs result. | pass | `src/Recordingtest.Player/Model/Scenario.cs` line 10: `public ScenarioCameraSnapshot? CameraSnapshot`. `IPlayerHost.cs` line 40: default interface impl `bool TryRestoreCamera(...) => false`. `PlayerEngine.cs` lines 90–96: calls `host.TryRestoreCamera(cs.Eye, cs.Target, cs.Up, cs.Fov)` and logs. |
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| D8 | `UiaPlayerHost` accepts optional `string? sidecarUrl` constructor param. `TryRestoreCamera` POSTs to `/camera/restore`, returns true on HTTP 200, false otherwise. | pass | `src/Recordingtest.Player/UiaPlayerHost.cs` line 24: constructor param `string? sidecarUrl = "http://localhost:38080"`. Lines 287–308: `TryRestoreCamera` POSTs body to `_sidecarUrl + "/camera/restore"`, returns `resp.IsSuccessStatusCode`, catches all exceptions and returns false. |
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| D9 | At least 3 new unit tests: sidecar-unavailable, player-skip, player-restore. | pass | `RecorderTests.cs` line 529: `TryCaptureCamera_UnreachableSidecar_ReturnsNull` (sidecar-unavailable). `PlayerEngineTests.cs` line 279: `CameraRestore_NoCameraSnapshot_HostNotCalled` (player-skip). `PlayerEngineTests.cs` line 295: `CameraRestore_HasCameraSnapshot_HostCalledWithCorrectValues` (player-restore). 4 additional camera tests also present. |
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| D10 | All existing tests still pass. | pass | `dotnet test --no-build -q`: 0 failures across all test assemblies. Total: 31+20+5+5+12+21+11+32+6+6 = 149 tests passed. |
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## Notes
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- D4 partial: The contract specifies `{"error":"..."}` as the failure body, but the implementation emits `{"ok":false,"error":"..."}`. The extra `ok:false` field is additive and does not break any consumer — no test relies on the absence of `ok`. Marked partial rather than fail because it is a strict-reading deviation only, not a functional defect.
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- `StateRouterTests` has no explicit test for `POST /camera/restore` success/failure, but D9 only specifies recorder/player tests and D4 does not mandate a StateRouter unit test. The router logic is covered by code inspection.
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- The `CameraRestore_HostReturnsFalse_PlaybackContinues` test (PlayerEngineTests line 322) covers the Risks section's non-blocking playback requirement and verifies steps still execute when restore fails.
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- Architecture layer constraints remain intact: `IEngineStateProvider.SetCamera` is in the generic tier; `HmegDirectStateProvider.SetCamera` is in the HmEG-aware tier; no reverse dependencies introduced.
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docs/contracts/camera-restore.md
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docs/contracts/camera-restore.md
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# Sprint Contract — camera-restore
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## Goal
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Record the SUT camera state at the start of each recording session; at playback
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time, restore that camera state via the engine-bridge HTTP sidecar so that
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replays are position-independent even when the user left the viewport in a
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different orientation than when the scenario was recorded.
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## DoD (Definition of Done)
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All items must be met for Evaluator to mark this PASS.
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| # | Item |
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|---|------|
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| D1 | `IEngineStateProvider` has `SetCamera(CameraSnapshot)` method. `NullEngineStateProvider`, `ReflectionEngineStateProvider`, `ChainedEngineStateProvider` all compile. |
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| D2 | `HmegDirectStateProvider.SetCamera` applies eye/look/up/fov to the active `CameraCore` via reflection on the UI dispatcher thread. |
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| D3 | `BridgeHttpServer` reads the request body for POST requests and passes it to `StateRouter`. |
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| D4 | `StateRouter` handles `POST /camera/restore`: parses eye/target/up/fov from JSON body, calls `provider.SetCamera(...)`. Returns `{"ok":true}` on success, `{"error":"..."}` on failure. |
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| D5 | `HmEgHttpSnapshot.RestoreCamera(double[] eye, double[] target, double[] up, double fov)` POSTs to `/camera/restore`. |
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| D6 | Recorder `Scenario` model has `CameraSnapshot?` field (YAML: `camera_snapshot`). Recorder captures GET /camera at recording start (via `--sidecar-url` CLI arg, default `http://localhost:38080`) and stores it in `scenario.CameraSnapshot`. |
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| D7 | Player `Scenario` model has `CameraSnapshot?` field (YAML: `camera_snapshot`). `IPlayerHost` has `bool TryRestoreCamera(...)` with default `return false` implementation. `PlayerEngine.Run()` calls `host.TryRestoreCamera(...)` if `scenario.CameraSnapshot != null`, logs result. |
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| D8 | `UiaPlayerHost` accepts optional `string? sidecarUrl` constructor param. `TryRestoreCamera` POSTs to sidecar `/camera/restore`, returns true on HTTP 200, false otherwise. |
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| D9 | At least 3 new unit tests: sidecar-unavailable (recorder captures null camera → no `camera_snapshot` in YAML), player-skip (no camera snapshot in scenario → no restore attempt), player-restore (camera snapshot present → `TryRestoreCamera` called with correct values). |
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| D10 | All existing tests still pass. |
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## Interfaces
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```csharp
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// Bridge.Abstractions
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public interface IEngineStateProvider
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{
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// ... existing ...
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void SetCamera(CameraSnapshot snapshot);
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}
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// Player
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public interface IPlayerHost
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{
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// ... existing ...
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bool TryRestoreCamera(double[] eye, double[] target, double[] up, double fov) => false;
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}
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// HmEgHttpSnapshot (Hmeg.Bridge.Client)
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public void RestoreCamera(double[] eye, double[] target, double[] up, double fov);
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```
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### POST /camera/restore
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Request body:
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```json
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{"eye":[x,y,z],"target":[x,y,z],"up":[x,y,z],"fov":45.0}
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```
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Response (200):
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```json
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{"ok":true}
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```
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## Risks
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| Risk | Mitigation |
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|------|-----------|
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| WPF DependencyProperty must be set on UI thread | `HmegDirectStateProvider.SetCamera` accepts `Action<Action>? uiDispatch`; `HmEgBridgePlugin` passes `Application.Current.Dispatcher.Invoke`. |
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| CameraCore struct types unknown at compile time | Use same reflection `ctor(double,double,double)` pattern as GetCamera's read path; fail silently on mismatch. |
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| Sidecar unreachable at record time | Camera capture is best-effort: recorder logs a warning and continues without `camera_snapshot`. |
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| Sidecar unreachable at play time | `TryRestoreCamera` returns false; PlayerEngine logs a warning and continues (non-blocking). |
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| Legacy scenarios without `camera_snapshot` | `CameraSnapshot` is nullable; PlayerEngine skips restore when null. Fully backwards-compatible. |
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docs/history/2026-04-10_camera-restore.md
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docs/history/2026-04-10_camera-restore.md
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# 2026-04-10 — camera-restore (Sprint Contract + Implementation)
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## Summary
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Implemented camera state capture at recording start and restore at playback start via the engine-bridge HTTP sidecar. Replays are now viewport-position-independent.
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## Changes
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### New files
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- `docs/contracts/camera-restore.md` — Sprint Contract with 10 DoD items
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### Modified files
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| File | Change |
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|------|--------|
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| `src/Recordingtest.Bridge.Abstractions/IEngineStateProvider.cs` | Added `SetCamera(CameraSnapshot)` to interface + `NullEngineStateProvider` no-op |
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| `src/Hmeg/Recordingtest.Hmeg.Bridge/HmegDirectStateProvider.cs` | Added `SetCamera` via reflection (`WriteVec3`/`WriteDouble`), optional `uiDispatch: Action<Action>` ctor param |
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| `src/Sut/EgBim/Recordingtest.Sut.EgBim.PluginHost/IEngineStateProvider.cs` | `ReflectionEngineStateProvider.SetCamera` no-op |
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| `src/Sut/EgBim/Recordingtest.Sut.EgBim.PluginHost/ChainedEngineStateProvider.cs` | `SetCamera` delegates to primary only |
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| `src/Sut/EgBim/Recordingtest.Sut.EgBim.PluginHost/BridgeHttpServer.cs` | Reads POST body (`StreamReader`) before calling `Route` |
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| `src/Sut/EgBim/Recordingtest.Sut.EgBim.PluginHost/StateRouter.cs` | Added `Route(string method, string path, string body)` + `POST /camera/restore` + `ReadVecFromJson` helper; backwards-compat `Route(string path)` overload |
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| `src/Sut/EgBim/Recordingtest.Sut.EgBim.PluginHost/HmEgBridgePlugin.cs` | Passes `Application.Current.Dispatcher.Invoke` as `uiDispatch` to `HmegDirectStateProvider` |
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| `src/Hmeg/Recordingtest.Hmeg.Bridge.Client/HmEgHttpSnapshot.cs` | Added `RestoreCamera(eye,target,up,fov)` POST method + `BuildCameraJson` helper |
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| `src/Recordingtest.Recorder/Scenario.cs` | Added `RecordedCameraSnapshot` class + `CameraSnapshot?` field on `Scenario` |
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| `src/Recordingtest.Recorder/Program.cs` | Added `--sidecar-url` CLI arg; `TryCaptureCamera(url)` internal helper (GET /camera, 2s timeout); stores snapshot in scenario |
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| `src/Recordingtest.Player/Model/Scenario.cs` | Added `ScenarioCameraSnapshot` class + `CameraSnapshot?` field |
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| `src/Recordingtest.Player/IPlayerHost.cs` | Added `TryRestoreCamera(eye,target,up,fov)` with default `return false` implementation |
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| `src/Recordingtest.Player/PlayerEngine.cs` | Calls `host.TryRestoreCamera(...)` before first step when `scenario.CameraSnapshot != null` |
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| `src/Recordingtest.Player/UiaPlayerHost.cs` | Optional `sidecarUrl` ctor param; `TryRestoreCamera` POSTs to `/camera/restore` |
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| `tests/Recordingtest.Player.Tests/FakePlayerHost.cs` | `TryRestoreCamera` override + `CameraRestoreCalls` tracking |
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| `tests/Recordingtest.Player.Tests/PlayerEngineTests.cs` | +5 camera tests (no-snapshot-skip, correct-values, false-return-continues, YAML parse, YAML null) |
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| `tests/Recordingtest.Recorder.Tests/RecorderTests.cs` | +3 camera tests (unreachable-null, roundtrip, null-field) |
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| Various test fake providers | Added `SetCamera` no-op to satisfy updated interface |
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## Test counts
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132 → **149** tests, all green.
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## Design decisions
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- `SetCamera` is write-only (no return); failures are silently swallowed — the SUT must never crash due to a record tool.
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- `WriteVec3` uses `ctor(double,double,double)` or `ctor(float,float,float)` reflection to construct WPF/HmEG vector types without a compile-time reference.
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- Camera write must be dispatched to WPF UI thread: `HmEgBridgePlugin` captures `Application.Current.Dispatcher.Invoke` at construction time and passes it as `Action<Action>`.
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- Legacy scenarios (no `camera_snapshot`) work unchanged — field is nullable, engine skips restore when null.
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- `UiaPlayerHost` creates a fresh `HttpClient` per `TryRestoreCamera` call (short-lived; no pooling needed at this stage).
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## Context usage
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~80K tokens
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