diff --git a/.trellis/tasks/04-17-04-17-fix-sync-panic/task.json b/.trellis/tasks/04-17-04-17-fix-sync-panic/task.json
new file mode 100644
index 0000000..21bfc40
--- /dev/null
+++ b/.trellis/tasks/04-17-04-17-fix-sync-panic/task.json
@@ -0,0 +1,53 @@
+{
+  "id": "04-17-fix-sync-panic",
+  "name": "04-17-fix-sync-panic",
+  "title": "Fix sync command panic",
+  "description": "",
+  "status": "planning",
+  "dev_type": null,
+  "scope": null,
+  "package": null,
+  "priority": "P2",
+  "creator": "Apale",
+  "assignee": "Apale",
+  "createdAt": "2026-04-17",
+  "completedAt": null,
+  "branch": null,
+  "base_branch": "master",
+  "worktree_path": null,
+  "current_phase": 0,
+  "next_action": [
+    {
+      "phase": 1,
+      "action": "brainstorm"
+    },
+    {
+      "phase": 2,
+      "action": "research"
+    },
+    {
+      "phase": 3,
+      "action": "implement"
+    },
+    {
+      "phase": 4,
+      "action": "check"
+    },
+    {
+      "phase": 5,
+      "action": "update-spec"
+    },
+    {
+      "phase": 6,
+      "action": "record-session"
+    }
+  ],
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [],
+  "parent": null,
+  "relatedFiles": [],
+  "notes": "",
+  "meta": {}
+}
\ No newline at end of file
diff --git a/.trellis/tasks/04-17-forwarding-log-viewer-gui/prd.md b/.trellis/tasks/04-17-forwarding-log-viewer-gui/prd.md
new file mode 100644
index 0000000..0b35cc0
--- /dev/null
+++ b/.trellis/tasks/04-17-forwarding-log-viewer-gui/prd.md
@@ -0,0 +1,469 @@
+# OLPX Forwarding Log Viewer Design
+
+## Summary
+
+`olpx` currently exposes enough per-request routing information for header-level debugging, but it does not keep a durable request log and it does not provide any local UI.
+
+This task defines a minimal, implementation-ready design for a local web log viewer that shows each forwarded request with:
+
+- the selected provider
+- the selected upstream model
+- input, output, and total token counts when available
+- whether failover was triggered
+- the attempt chain that led to the final result
+
+The design is intentionally scoped to the current codebase:
+
+- Go backend only
+- no existing frontend build pipeline
+- only OpenAI Responses proxying today
+- failover is only valid before first downstream byte
+
+## Current Project State
+
+### What already exists
+
+`olpx` already has the core proxy path in `internal/proxy/server.go`:
+
+- `POST /v1/responses`
+- deterministic ordered failover
+- retry on transport errors, `429`, and `5xx`
+- no mid-stream failover after downstream response starts
+- debug response headers:
+  - `X-OLPX-Alias`
+  - `X-OLPX-Provider`
+  - `X-OLPX-Remote-Model`
+  - `X-OLPX-Attempt`
+  - `X-OLPX-Failover-Count`
+
+### What is missing
+
+- no durable per-request log
+- no token accounting capture
+- no HTTP endpoint for log history
+- no local HTML page
+- no request attempt history persisted anywhere
+
+## Product Goal
+
+Give the user a simple local page that makes forwarding behavior visible without reading raw terminal logs.
+
+For every completed forwarding operation, the page should make it obvious:
+
+1. which alias was requested
+2. which provider and upstream model finally served it
+3. whether failover happened
+4. how many attempts were made
+5. how many input, output, and total tokens were reported
+
+## Non-Goals
+
+1. No hosted dashboard.
+2. No Electron or native desktop GUI.
+3. No cost accounting or billing estimation.
+4. No prompt/response body browsing.
+5. No full-text search over request payloads.
+6. No live stream reconstruction in the browser.
+7. No multi-user auth model beyond the current local-only default posture.
+
+## Recommended MVP Shape
+
+Choose a local web UI, not a separate GUI app.
+
+Reason:
+
+- it fits the current Go-only codebase
+- it avoids adding a frontend toolchain
+- it can run off the same `olpx serve` process and listener
+- it is the smallest path to a usable visual log surface
+
+## High-Level Design
+
+When `olpx serve` is running, the same HTTP server should expose three surfaces:
+
+1. proxy API
+   - `POST /v1/responses`
+   - `GET /v1/models`
+
+2. log viewer UI
+   - `GET /logs`
+
+3. log viewer data API
+   - `GET /api/logs`
+   - `GET /api/logs/{id}`
+
+The UI should be a single embedded HTML page with minimal CSS and vanilla JS.
+
+No Node, bundler, or SPA framework should be introduced for this feature.
+
+## Data Flow
+
+```text
+incoming /v1/responses request
+  -> create in-memory request log draft
+  -> record each upstream attempt result
+  -> on final completion, attach usage if available
+  -> append one finalized JSON record to local log file
+  -> push finalized record into in-memory recent ring buffer
+  -> /api/logs serves recent records to /logs page
+```
+
+The key design choice is: persist one finalized record per request, not one row per streaming chunk and not one row per partial attempt.
+
+This keeps storage simple and makes the UI directly match the user's mental model: one forwarding operation equals one log entry.
+
+## Storage Strategy
+
+### Recommended MVP storage
+
+Use an append-only JSONL file stored next to the existing `olpx` config:
+
+- config path today: `~/.config/olpx/config.json` by default
+- proposed log path: `~/.config/olpx/request-log.jsonl`
+
+Reason:
+
+- no database dependency required
+- minimal code and operational complexity
+- easy to inspect manually
+- easy to rotate or delete
+- aligned with current non-SQLite implementation
+
+### In-memory cache
+
+Maintain a small in-memory ring buffer of the most recent finalized records, for example the latest `500` entries.
+
+On process start:
+
+- load the latest records from `request-log.jsonl` into memory
+
+During runtime:
+
+- append finalized record to disk
+- append finalized record to ring buffer
+
+This gives fast UI reads while still preserving history across restarts.
+
+## Log Record Schema
+
+Each finalized request log entry should contain at least the following fields:
+
+```json
+{
+  "id": "req_20260417_000123",
+  "started_at": "2026-04-17T12:34:56.123Z",
+  "completed_at": "2026-04-17T12:34:58.004Z",
+  "duration_ms": 1881,
+  "protocol": "openai-responses",
+  "alias": "gpt-5.4",
+  "raw_model": "olpx/gpt-5.4",
+  "stream": true,
+  "final_status": 200,
+  "final_provider": "p2",
+  "final_remote_model": "GPT-5.4",
+  "attempt_count": 2,
+  "failover_count": 1,
+  "failover_triggered": true,
+  "usage": {
+    "input_tokens": 812,
+    "output_tokens": 143,
+    "total_tokens": 955,
+    "available": true,
+    "source": "response_usage"
+  },
+  "attempts": [
+    {
+      "attempt": 1,
+      "provider": "p1",
+      "remote_model": "up-1",
+      "outcome": "retryable_status",
+      "upstream_status": 429,
+      "error_summary": "upstream 429: rate limit",
+      "duration_ms": 220
+    },
+    {
+      "attempt": 2,
+      "provider": "p2",
+      "remote_model": "GPT-5.4",
+      "outcome": "success",
+      "upstream_status": 200,
+      "duration_ms": 1661
+    }
+  ]
+}
+```
+
+### Required field semantics
+
+- `alias`: normalized local alias actually routed by `olpx`
+- `raw_model`: original request payload `model` value before normalization
+- `final_provider`: provider that produced the downstream response visible to the client
+- `final_remote_model`: upstream model name actually sent to that provider
+- `failover_triggered`: `true` when the request had to move beyond the initial target
+- `attempts`: ordered attempt chain, including retryable failures before success
+
+### Fields that must stay nullable
+
+`usage.input_tokens`, `usage.output_tokens`, and `usage.total_tokens` must be nullable in storage and UI.
+
+Reason:
+
+- some failures end before usage exists
+- some providers may omit usage
+- some stream terminations may prevent complete usage extraction
+
+## Token Collection Design
+
+### Requirement boundary
+
+The user asked for input/output token counts, so MVP must collect usage from upstream responses when that information is present.
+
+### Non-streaming path
+
+For non-streaming OpenAI Responses responses:
+
+- capture the full JSON body already headed to the client
+- parse `usage` from the final response object
+
+### Streaming path
+
+For streaming responses:
+
+- do not buffer the whole response before writing downstream
+- keep current streaming pass-through behavior
+- tee streamed bytes into a lightweight SSE parser
+- extract usage from the terminal lifecycle event that contains final response usage when present
+
+In practice this will usually mean parsing the final response completion event and reading its usage payload.
+
+### Missing usage behavior
+
+If usage cannot be determined:
+
+- keep the request log entry
+- set usage fields to `null`
+- set `usage.available = false`
+- record a short reason such as `missing_from_upstream` or `stream_incomplete`
+
+The request itself must not fail just because logging could not extract usage.
+
+## Failover Visibility Design
+
+The UI must make failover impossible to miss.
+
+### Request list presentation
+
+Each row should show a failover badge with one of two states:
+
+- `Primary` when `failover_triggered = false`
+- `Failover` when `failover_triggered = true`
+
+### Request detail presentation
+
+Expanding a row should show the attempt chain in order, for example:
+
+```text
+Attempt 1  p1 / up-1     429 retryable
+Attempt 2  p2 / GPT-5.4 success
+```
+
+This detail view is necessary because `failover_count` alone does not explain why failover happened.
+
+## UI Design
+
+### Route
+
+`GET /logs`
+
+### Layout
+
+Use one compact page with two sections:
+
+1. top summary strip
+2. request table with expandable detail rows
+
+### Summary strip
+
+Show a small set of metrics derived from loaded records:
+
+- recent request count
+- recent failover count
+- recent failover rate
+- last request time
+
+This should stay informational only. No charts are required for MVP.
+
+### Request table columns
+
+The main table should show:
+
+- Time
+- Alias
+- Final Provider
+- Final Model
+- Status
+- Tokens In
+- Tokens Out
+- Tokens Total
+- Failover
+- Duration
+
+### Filters
+
+Keep filters intentionally small:
+
+- text search for alias/provider/model
+- failover only toggle
+- status filter
+- page size selector
+
+### Detail row
+
+Expanding a row should show:
+
+- request id
+- raw model
+- stream true/false
+- attempt timeline
+- short error summary for failed attempts
+
+Do not show prompt text, response text, or authorization headers.
+
+## HTTP API Design
+
+### `GET /api/logs`
+
+Returns recent finalized records in reverse chronological order.
+
+Suggested query params:
+
+- `limit`
+- `cursor`
+- `failover_only`
+- `status`
+- `q`
+
+### `GET /api/logs/{id}`
+
+Returns one full finalized record including all attempts.
+
+### Pagination
+
+Cursor pagination is preferred over offset pagination.
+
+Reason:
+
+- append-only log shape
+- stable ordering by completion time
+- easier incremental page refresh
+
+## Security and Privacy
+
+### Must not log
+
+- upstream API keys
+- incoming Authorization headers
+- full request body
+- full model input text
+- full model output text
+
+### Why
+
+The viewer is for routing observability, not transcript storage.
+
+This keeps the feature useful without turning it into a sensitive local prompt archive.
+
+### Local exposure model
+
+For MVP, the log viewer can follow the same trust model as the current local proxy:
+
+- same local process
+- same loopback listener by default
+- intended for single-user localhost usage
+
+If `olpx` is later allowed to bind non-loopback addresses, the log UI and log API should be explicitly gated before reuse in that mode.
+
+## Implementation Plan
+
+### Phase 1: request log model and storage
+
+- add a request log record type
+- add append-only JSONL writer
+- add startup loader for recent records
+- add in-memory ring buffer
+
+### Phase 2: proxy instrumentation
+
+- create one draft log object per incoming request
+- capture normalized alias and raw model
+- record every attempt outcome
+- record final provider, remote model, status, and duration
+- extract usage from success responses when available
+
+### Phase 3: local web surface
+
+- add `GET /logs`
+- add `GET /api/logs`
+- add `GET /api/logs/{id}`
+- embed a single static HTML/CSS/JS page
+
+### Phase 4: docs and tests
+
+- document the viewer route in `README.md`
+- add tests for failover logging
+- add tests for non-failover logging
+- add tests for usage extraction fallback behavior
+
+## Suggested Package Additions
+
+Keep the changes minimal.
+
+Suggested new package:
+
+```text
+internal/requestlog/
+  model.go
+  store.go
+  api.go
+```
+
+Suggested existing files to extend:
+
+- `internal/proxy/server.go`
+- `internal/proxy/server_test.go`
+- `internal/cli/serve.go`
+- `README.md`
+
+## Acceptance Criteria
+
+This design is considered implemented successfully when:
+
+1. running `olpx serve` exposes a local page at `/logs`
+2. the page shows one row per completed forwarding request
+3. each row clearly shows final provider and final upstream model
+4. each row clearly shows whether failover happened
+5. token counts are displayed when upstream usage is available
+6. expanding a row shows the attempt chain that led to the final result
+7. no request/response text or secrets are persisted to the log
+
+## Out of Scope for This Task
+
+1. historical charts and trends
+2. exporting CSV
+3. provider health scoring
+4. live websocket or SSE push to the browser
+5. per-provider cost calculation
+6. editing provider or alias config from the UI
+
+## Final Recommendation
+
+Implement this as a same-process local web viewer backed by append-only JSONL request summaries.
+
+This is the smallest design that satisfies the user's stated need:
+
+- concise GUI/web page
+- explicit provider/model visibility
+- token visibility
+- unambiguous failover visibility
+
+It also fits the actual repository state today without introducing a frontend stack, database migration, or broader dashboard scope.
diff --git a/.trellis/tasks/04-17-forwarding-log-viewer-gui/task.json b/.trellis/tasks/04-17-forwarding-log-viewer-gui/task.json
new file mode 100644
index 0000000..3275e0c
--- /dev/null
+++ b/.trellis/tasks/04-17-forwarding-log-viewer-gui/task.json
@@ -0,0 +1,73 @@
+{
+  "id": "forwarding-log-viewer-gui",
+  "name": "forwarding-log-viewer-gui",
+  "title": "Design forwarding log viewer GUI for olpx",
+  "description": "Define a minimal local web UI and request logging design for olpx forwarding operations, including provider/model visibility, token usage, and failover display.",
+  "status": "completed",
+  "dev_type": "docs",
+  "scope": "observability",
+  "package": null,
+  "priority": "P2",
+  "creator": "Apale",
+  "assignee": "Apale",
+  "createdAt": "2026-04-17",
+  "completedAt": "2026-04-17",
+  "branch": null,
+  "base_branch": "master",
+  "worktree_path": null,
+  "current_phase": 0,
+  "next_action": [
+    {
+      "phase": 1,
+      "action": "brainstorm"
+    },
+    {
+      "phase": 2,
+      "action": "research"
+    },
+    {
+      "phase": 3,
+      "action": "implement"
+    },
+    {
+      "phase": 4,
+      "action": "check"
+    },
+    {
+      "phase": 5,
+      "action": "update-spec"
+    },
+    {
+      "phase": 6,
+      "action": "record-session"
+    }
+  ],
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [],
+  "parent": null,
+  "relatedFiles": [
+    ".trellis/tasks/04-17-forwarding-log-viewer-gui/prd.md",
+    "internal/proxy/server.go",
+    "internal/proxy/server_test.go",
+    "internal/cli/serve.go",
+    "README.md"
+  ],
+  "notes": "Design-only task completed. The PRD recommends a same-process local web viewer with append-only JSONL request logs and no new frontend build system.",
+  "meta": {
+    "recommendedSurface": "local-web-ui",
+    "protocolScope": [
+      "openai-responses"
+    ],
+    "storageRecommendation": "jsonl-next-to-config",
+    "mustShow": [
+      "provider",
+      "remote-model",
+      "input-tokens",
+      "output-tokens",
+      "total-tokens",
+      "failover"
+    ]
+  }
+}
diff --git a/.trellis/tasks/04-17-preserve-opencode-model-metadata-sync/task.json b/.trellis/tasks/04-17-preserve-opencode-model-metadata-sync/task.json
new file mode 100644
index 0000000..64e7a4a
--- /dev/null
+++ b/.trellis/tasks/04-17-preserve-opencode-model-metadata-sync/task.json
@@ -0,0 +1,53 @@
+{
+  "id": "preserve-opencode-model-metadata-sync",
+  "name": "preserve-opencode-model-metadata-sync",
+  "title": "Preserve OpenCode model metadata during olpx sync",
+  "description": "",
+  "status": "completed",
+  "dev_type": null,
+  "scope": null,
+  "package": null,
+  "priority": "P2",
+  "creator": "Apale",
+  "assignee": "Apale",
+  "createdAt": "2026-04-17",
+  "completedAt": "2026-04-17",
+  "branch": null,
+  "base_branch": "master",
+  "worktree_path": null,
+  "current_phase": 0,
+  "next_action": [
+    {
+      "phase": 1,
+      "action": "brainstorm"
+    },
+    {
+      "phase": 2,
+      "action": "research"
+    },
+    {
+      "phase": 3,
+      "action": "implement"
+    },
+    {
+      "phase": 4,
+      "action": "check"
+    },
+    {
+      "phase": 5,
+      "action": "update-spec"
+    },
+    {
+      "phase": 6,
+      "action": "record-session"
+    }
+  ],
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [],
+  "parent": null,
+  "relatedFiles": [],
+  "notes": "",
+  "meta": {}
+}
diff --git a/.trellis/workspace/Apale/index.md b/.trellis/workspace/Apale/index.md
index 04b2dff..96f0b0b 100644
--- a/.trellis/workspace/Apale/index.md
+++ b/.trellis/workspace/Apale/index.md
@@ -8,7 +8,7 @@
 
 <!-- @@@auto:current-status -->
 - **Active File**: `journal-1.md`
-- **Total Sessions**: 4
+- **Total Sessions**: 5
 - **Last Active**: 2026-04-17
 <!-- @@@/auto:current-status -->
 
@@ -19,7 +19,7 @@
 <!-- @@@auto:active-documents -->
 | File | Lines | Status |
 |------|-------|--------|
-| `journal-1.md` | ~179 | Active |
+| `journal-1.md` | ~216 | Active |
 <!-- @@@/auto:active-documents -->
 
 ---
@@ -29,6 +29,7 @@
 <!-- @@@auto:session-history -->
 | # | Date | Title | Commits | Branch |
 |---|------|-------|---------|--------|
+| 5 | 2026-04-17 | Fix sync command panic | `887eb14` | `master` |
 | 4 | 2026-04-17 | Review MVP completion status | - | `master` |
 | 3 | 2026-04-17 | Support disabling providers in olpx | HEAD | `master` |
 | 2 | 2026-04-17 | Build OPS MVP failover proxy | `2b04d91` | `master` |
diff --git a/.trellis/workspace/Apale/journal-1.md b/.trellis/workspace/Apale/journal-1.md
index 0b316ff..3bac283 100644
--- a/.trellis/workspace/Apale/journal-1.md
+++ b/.trellis/workspace/Apale/journal-1.md
@@ -177,3 +177,40 @@ Reviewed current implementation against the archived MVP PRD and classified impl
 ### Next Steps
 
 - None - task complete
+
+
+## Session 5: Fix sync command panic
+
+**Date**: 2026-04-17
+**Task**: Fix sync command panic
+**Branch**: `master`
+
+### Summary
+
+Fixed a panic in opencode sync when preserved model metadata contains slices, and added package plus CLI regression coverage.
+
+### Main Changes
+
+- Root cause: `internal/opencode/opencode.go` compared `interface{}` values directly inside `mapsEqualShallow`, which panicked when preserved `provider.olpx.models.<alias>` metadata included slices.
+- Fix: replaced the unsafe hand-rolled comparison with `reflect.DeepEqual` so existing model metadata with nested maps/slices can be compared safely during `sync`.
+- Added regression tests in `internal/opencode/opencode_test.go` and `internal/cli/cli_test.go` covering preserved slice metadata and a real `opencode sync --target` no-op path.
+- Verification: ran `rtk go test ./internal/opencode`, `rtk go test ./internal/cli ./internal/opencode`, and `rtk go test ./...` successfully.
+
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `887eb14` | (see git log) |
+
+### Testing
+
+- [OK] (Add test results)
+
+### Status
+
+[OK] **Completed**
+
+### Next Steps
+
+- None - task complete