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chore(skill): harden lora-manager-e2e for sandboxed E2E

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Will Miao
2026-08-09 11:31:04 +08:00
parent 420530f532
commit d0bc4be0dc
6 changed files with 576 additions and 161 deletions
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.agents/skills/lora-manager-e2e/references/mcp-cheatsheet.md
+39 -3
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@@ -2,11 +2,13 @@
Quick reference for common MCP commands used in LoRa Manager E2E testing.
> **Port convention**: `{PORT}` is the port chosen for the E2E run (default candidate `8188`, but only if actually free — see the SKILL.md Port Selection section; use e.g. `8199` when `8188` is occupied by a live ComfyUI). Always run against the **sandboxed** standalone server, never a live instance.
## Navigation
```python
# Navigate to LoRA list page
navigate_page(type="url", url="http://127.0.0.1:8188/loras")
navigate_page(type="url", url="http://127.0.0.1:{PORT}/loras")
# Reload page with cache clear
navigate_page(type="reload", ignoreCache=True)
@@ -179,7 +181,7 @@ pages = list_pages()
select_page(pageId=0, bringToFront=True)
# Create new page
new_page(url="http://127.0.0.1:8188/loras")
new_page(url="http://127.0.0.1:{PORT}/loras")
# Close page (keep at least one open!)
close_page(pageId=1)
@@ -261,7 +263,7 @@ drag(from_uid="draggable-item", to_uid="drop-zone")
### Verify LoRA Cards Loaded
```python
navigate_page(type="url", url="http://127.0.0.1:8188/loras")
navigate_page(type="url", url="http://127.0.0.1:{PORT}/loras")
wait_for(text="LoRAs", timeout=10000)
# Check if cards loaded
@@ -322,3 +324,37 @@ navigate_page(type="reload")
errors = list_console_messages(types=["error"])
assert len(errors) == 0, f"Console errors: {errors}"
```
## Troubleshooting
### Stale profile lock ("browser is already running" / `list_pages` fails)
A Chrome profile held by a stale Chrome from a prior MCP session makes `list_pages`
fail with "browser is already running". Fix:
1. Find the stale Chrome that owns the profile dir (e.g. `~/.config/chrome-dev-profile`):
```bash
ps -ef | grep -i '[c]hrome.*user-data-dir'
```
2. Confirm it is a QA Chrome from a completed task (NOT the live ComfyUI server, NOT
your current MCP instance).
3. Kill ONLY that stale Chrome (`kill <stale-pid>`), then retry `list_pages`.
### Screenshot-write restrictions
The MCP may refuse to write into paths outside its configured workspace roots
(e.g. `.omo/evidence/screenshots/` under a worktree that canonicalizes to an unmapped
path). Save the screenshot to `/tmp` via the MCP, then copy it into the evidence dir:
```bash
# MCP: take_screenshot(filePath="/tmp/<plan>-e2e/recipe-b-after.png", format="png")
# Shell:
mkdir -p <repo-root>/.omo/evidence/screenshots
cp /tmp/<plan>-e2e/recipe-b-after.png <repo-root>/.omo/evidence/screenshots/
```
### Time budgets & abort rule
See SKILL.md "Time Budgets & Abort Guidance": if a phase exceeds ~2x its budget or a
tool call retries 3+ times in a row, STOP and report BLOCKED with the last observed
state (server PID + `ss -tlnp`, page snapshot, last API response). Do not loop.