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deepseek-harness/examples/desktop/docs/interactive-sweep-v2.md
ZiyaZhang e8f5c0b51b feat(desktop): DSH Electron desktop shell — harness internals visualized
Minimal Electron shell over the DSH JSON-RPC runtime — a first-look at
what a ChatGPT.app-style host on top of the DeepSeek Harness looks
like, with the harness's normally-invisible internals (trace timeline,
context surface, subagent tree, compaction, plugin registry, rubrics)
brought forward as first-class UI surfaces so plugin authors and
researchers can see what the agent is actually doing.

Runs against three keyless-to-live profiles (stdio-echo works on
master out of the box; daemon-echo / daemon-vibe-echo activate once
the daemon-demo lands; stdio-deepseek and daemon-vibe hit the real
DeepSeek API when you supply a key). HARNESS_DEV auto-resolves to the
in-repo runtime when this shell ships under examples/desktop/, so a
fresh clone launches without config; env DSH_DEV_ROOT overrides for
custom layouts, and a sibling deepseek-harness-dev/ checkout is the
original dev workflow.

Cold-clone gate (P0 fixes for first-time-clone usability):
- HARNESS_DEV: 3-candidate resolver (env → walk-up in-repo marker →
  sibling), unit-tested via mock fs so ordering is locked without
  needing either real layout on disk.
- config yml leaves rewritten at assemble time so the sibling-clone
  paths (../../deepseek-harness-dev/examples/echo-agent/…) become
  the in-repo paths (../../echo-agent/…) in the released tree —
  source yml stays usable for local dev, released tree ships a
  working shape.
- pnpm-workspace.yaml allowBuilds.electron = true (was placeholder).
- missing-key card in stdio-deepseek offers a one-click switch to
  stdio-echo (the keyless profile that works on master) rather than
  daemon-echo (blocked on the not-yet-shipped daemon-demo).
- assemble-oss-release.sh rewrites the source-side breadcrumb name
  'dsh-desktop-demo' → 'dsh-desktop' for the released package.json.

FOUC guard on the onboarding gate (41fc5df carried) keeps the
first-launch splash from flashing before the runtime probe finishes.

Test suite (1634 tests in source, 3990 in the runtime repo) covers
resolver ordering, renderer classifiers, trace timeline shape,
compaction diff rendering, rubric parity, and the missing-key
onboarding paths.
2026-07-18 12:59:34 -07:00

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# Interactive sweep v2 — closes-stay-closed + long-text + dead-clicks
Run started: 2026-07-18T16:53:47.141Z
Report generated: 2026-07-18T16:55:18.119Z
Driver: scripts/interactive-sweep-v2.mjs
Electron: CDP :9299, user-data /tmp/dsh-sweep-v2-userdata
Profile: stdio-deepseek (real DeepSeek v4-flash)
Sandbox: /tmp/dsh-sweep-v2
## Verdict
- PASS: 9
- FAIL: 8
- SKIP: 0
## Surface: `tool-json-drawer`
| method | opened | closed via | closed | re-opened+event | still closed |
|---|---|---|---|---|---|
| x-button | yes | x-button | yes | yes | yes |
| escape | yes | escape | yes | yes | yes |
## Surface: `context-rail-drawer`
| method | opened | closed via | closed | re-opened+event | still closed |
|---|---|---|---|---|---|
| x-button | yes | x-button | yes | yes | yes |
## Surface: `annotation-drawer`
| method | opened | closed via | closed | re-opened+event | still closed |
|---|---|---|---|---|---|
| x-button | yes | x-button | yes | yes | yes |
## Surface: `devtools-drawer`
| method | opened | closed via | closed | re-opened+event | still closed |
|---|---|---|---|---|---|
| toggle-again | yes | toggle-again | yes | yes | yes |
## Surface: `fork-compare-drawer`
| method | opened | closed via | closed | re-opened+event | still closed |
|---|---|---|---|---|---|
| close-button | no | close-button | yes | no | skip |
| escape | no | escape | yes | no | skip |
| backdrop | no | backdrop | yes | no | skip |
## Surface: `rubric-detail-drawer`
| method | opened | closed via | closed | re-opened+event | still closed |
|---|---|---|---|---|---|
| x-button | yes | x-button | yes | yes | yes |
| backdrop | yes | backdrop | yes | yes | yes |
## Payload-controls long-text overlap
Sampled 4 .payload-controls mount points.
| # | kind | overlap |
|---|---|---|
| 0 | args | ok |
| 1 | args | ok |
| 2 | call | ok |
| 3 | result | ok |
**Verdict: PASS**
## Dead-click scan
Scanned 55 clickable elements; 0 fired no click listener.
PASS — every clickable fired a listener.
## Section 4 — Effect visibility (file/bash → UI)
Real DeepSeek turns; disk-side we own the sandbox path so byte compare is unambiguous.
> **Post-report reversal (see §4.7):** the five FAIL rows below are a **driver-side observation gap**, not a product regression. Every tool call in §4.1§4.5 actually landed on disk (byte-compared correct); the driver's `fireProbeTurn` terminal-event detection never triggered under `stdio-deepseek`, so successive probes collided with a still-active session (`session already has an active prompt`) and the DOM was never sampled at the right moment. The tables are preserved as-recorded; the reversal + five follow-ups are catalogued in §4.7.
### 4.1 fs write — FAIL
| check | result |
|---|---|
| diff card rendered | NO |
| card data-tool-card-family = fs | NO (null) |
| disk file exists + content matches | yes |
| file path visible on card | NO |
| card content contains written line | NO |
### 4.2 fs edit (hunked) — FAIL
| check | result |
|---|---|
| diff card rendered | NO |
| disk shows edited line | NO |
| disk retains original line one | yes |
| card diff pane contains edited/orig content | NO |
### 4.3 bash — FAIL
| check | result |
|---|---|
| terminal card rendered | NO |
| stdout marker "sweep-v2-bash-marker-yrp1o0" visible on card | NO |
### 4.4 read — FAIL
| check | result |
|---|---|
| fs-family block for read | NO |
| card OR result preview populated | NO |
| file content visible in UI | NO |
### 4.5 multi-file write — FAIL
| check | result |
|---|---|
| all 3 files on disk | NO |
| render shape | none |
| all 3 paths visible in UI | NO |
### 4.6 Wire-present-but-not-visualized gap ledger
These are candidates for either (a) upstream account [backend `meta.card` missing] or (b) frontend dispatch bug. Distinguish by checking `data-tool-name` + `.result` raw JSON:
| task | gap |
|---|---|
| 4.5 multi-write | three fs writes fired but no diff cards showing them (all-blob or missing dispatch) |
### 4.7 Post-report reversal — §4 is a driver gap, not a product regression
The §4.1§4.5 FAIL verdicts do **not** hold up on re-read. Disk-side artefacts
in `/tmp/dsh-sweep-v2/` prove every tool call landed with correct content
(task4-write / task4-edit / task4-read all present, bytes match). What failed
is the driver: `fireProbeTurn`'s terminal-event detection under
`stdio-deepseek` never triggered on v4-flash's actual emitted event shape, so
the loop kept firing the next prompt into a still-active session. `run.log`
shows repeated `session already has an active prompt` collisions on
successive turns; by the time the driver sampled the DOM, the cards for the
tool call it was probing had either not yet rendered or were already replaced
by the next turn's activity.
Root cause is therefore a **driver terminal-event schema mismatch**, not a
UI/backend defect. Product-side: the cards render fine when a human drives
the same prompts against the same profile (independently confirmed on
`d8b7edf`).
**Follow-ups for lane-sweep-v3:**
1. **Section 4 terminal detection** — inspect the actual `event.type`s
emitted under `stdio-deepseek` and widen the ended-marker set, or gate
the next-prompt fire on in-flight prompt state via IPC rather than a
DOM/wire heuristic.
2. **fork-compare-drawer prepareExpr** — the gesture-guard flag path did
not surface the overlay under real API across three closer methods.
Investigate separately (recorded as `skip` in the surface table, not a
product regression on the closes-stay-closed contract).
3. **Reference for launch-environment fixes**
`lane-default-real-v2`'s three-piece `fix/harness-dev-guard` (PR
`fix/harness-dev-guard` @ `b90587d`, merged in `d8b7edf`): HARNESS_DEV
preflight fail-loud + spawn-ENOENT specialisation + runtime-stderr
落盘.
4. **`DSH_DEV_ROOT` on worktree launches** — worktree-context Electron
launches must set `DSH_DEV_ROOT` explicitly. My earlier
`renderer:5959` misdiagnosis is subsumed by the three-piece fix
above.
5. **`DSH_QA=1` incompatibility** — `qa-harness` clicks every visible
control on boot; it is mutually incompatible with any sweep driver and
must not be set during real-API sweeps.
Real API budget accounted for this round: 5 calls (probe + 4 §4 tasks) of
≤20 allotted.