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feat(hermes): discover native skill commands and render skill invocations - #910
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The title clearly identifies the primary changes: native Hermes skill-command discovery and skill-invocation rendering. |
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devswha
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…bar (#964) ## Problem A phone shows a pane in the terminal lens while a desktop tab of the same pane takes the pty back to its own size (a click or key in the desktop terminal, or the desktop window coming back to the front). The phone's xterm stays at phone width while herdr streams rows drawn for the desktop's width, so lines wrap in the wrong place and agent TUIs look scrambled. Typing in the input line, Send, Enter and key-bar taps did not fix it. Only a touch on the grid itself, a focus change or a reload did. ## Cause In the terminal lens, an interact client stores `pane-geometry` in `sharedGridRef` and then ignores it, because it drives the grid itself. The only thing that took the size back while the window kept its focus was `reclaim`, and that runs only for a pointerdown or keydown whose target is inside `term.element`. The phone's usual input paths are all outside that element: - `sendTerminalLine` submits from the `TerminalInput` textarea. - `pressEnter` sends `\r`/keys from the same line. - `pressKey` calls `term.input()` from the key bar, with no DOM event on the grid. ## Fix - The size check moves out of `reclaim` into `reassertIfStale()`. When the shared grid differs from this grid, the tab is in use and has not released its pane, it calls `refit()` (force resize). - `reclaim` keeps its event filters (target inside the grid, no IME/repeat key, primary button) and then calls the helper. - `sendTerminalLine`, `pressEnter` and `pressKey` call it before they send, so the resize frame goes out before the input on the same socket. - `TerminalInput` gets an optional `onFocus`, wired to the same helper. Tapping into the input line counts as the user being back, the same way a tap on the grid does. - No resize was added for the keyboard opening or closing. That is a separate policy question (viewport-resize-2). ## Tests - `scripts/chat-size-regression.ts` `checkFocusedWindowReclaimsTerminalSize` (already in `ui-contexts-checks.ts`, so it runs in the browser lane) now continues with two clients after its existing steps. A desktop at 1280x800 and a phone at 390x844 in line mode take turns: - a tap into the input line; - a line sent with Enter; - a key-bar Ctrl+C; - Enter on the empty line. Each phone step comes after a desktop key has taken the pty back. Each step asserts that the phone's own-size `resize` frame goes out before its `submit`/`input` frame, and that the pane's shell (`stty size`) reports the phone's size again. - `CHAT_SIZE_CASE=reclaim bun scripts/chat-size-regression.ts` now runs that check on its own. - Without the `src/` change the new step fails ("a tap into the input line takes the pane back to the phone's grid"). With it, `bun run check run --build bun scripts/chat-size-regression.ts` (with `CHAT_SIZE_CASE=reclaim`) passes. - `bun run typecheck` and `bun run test:unit` (3069 pass, 0 fail) pass. - `check full` / `concurrent` was not run. ## Notes - Source: a mobile-terminal stability audit, finding viewport-resize-1. Related: #472 (the chat-lens version) and #712 (an attach holds the pane's size). Neither covers this path. - No open PR touches `reclaim`, `sharedGridRef`, `sendTerminalLine`, `pressEnter` or `pressKey`. #951, #950, #946, #945, #936, #935, #932, #910, #894, #859 and #822 edit other parts of `PaneTerminal.tsx`. #936 also edits `TerminalInput.tsx` (dictation), so a small textual conflict is possible there. - The size tug-of-war between two devices that both type into the same pane remains by design: whichever device the user is typing on takes the pty. A "sized by another device" notice and passive adoption of the foreign grid were left out. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
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…appers (#970) ## Problem `server/herdr/client.ts` exported an untyped `herdrRpc(method: string, params: Record<string, unknown>)`. Eleven server files called it directly for four methods (`pane.process_info` x10, `agent.get` x6, `pane.send_text` x2, `pane.send_keys` x1), each with its own inline result type. Nothing stopped `{ target }` reaching `pane.process_info`, which herdr then silently answers for the focused pane (the AGENTS.md rule was prose only). ## Change - `server/herdr/methods.ts`: `HerdrMethods`, a `{ [method]: { params; result } }` map for those four methods. Params and result bodies come from the generated schema types; `PaneProcessInfoParams`, `AgentTarget` and `PaneProcessInfo` are now generator roots (`scripts/generate-protocol-types.ts`, regenerated `shared/herdr-api.generated.ts`). The map itself is hand-written because herdr's schema links a method to its params (`request.oneOf`) but not to its answer: answers are one `ResponseResult.oneOf` told apart only by a `type` tag (`pane_process_info`, `agent_info`, `ok`). - `herdrRpc<M extends keyof HerdrMethods>(method, params: HerdrMethods[M]["params"], …): Promise<HerdrMethods[M]["result"]>` is the first overload. An untyped fallback overload stays for methods the map does not list yet. It refuses a typed method name (`UntypedHerdrMethod<M>` is `never` for one), so `herdrRpc("pane.process_info", { target })` is a compile error. `server/herdr/seam.test.ts` pins that with `@ts-expect-error` and checks the wire params of the new wrappers against a stand-in socket. - New wrappers: `paneProcessInfo(paneId)` returns one shared `ProcessInfo` (= generated `PaneProcessInfo`: shell_pid, foreground_processes with pid/name/argv0/argv) and `agentGet(paneId)` returns `AgentInfo`. The existing `paneSendText` / `paneSendKeys` now go through the typed overload. The wrappers call the exported `herdrRpc` binding, so tests that `spyOn(herdr, "herdrRpc")` keep working. - Migrated (no open PR touches them): `server/pi.ts`, `server/omp.ts`, `server/grok-store.ts`, `server/agy-store.ts`, `server/codex.ts` (x3). Behaviour is unchanged: the same params go on the wire, with the same default timeout and the same `.catch` / `try` at each call site. `codex.ts` keeps its old `argv?: string[]` reading through a commented cast, because the schema allows `argv: null` and that path has never handled null. Changing that would change behaviour, so it is left for a separate fix. - Guard: `server/conventions.test.ts` ("herdr socket") now fails when server code outside `server/herdr/` uses `herdrRpc`. The message names the fix ("add a typed wrapper in server/herdr/client.ts; for pane status use the server/collector.ts listeners") and the allowlist `HERDR_RPC_ALLOWED`. A stale allowlist entry also fails. The `events.subscribe` / `subscribeEvents` rules from #949 were already there; their message now also says where `events.subscribe` lives. - AGENTS.md: the `pane.process_info` line points at `paneProcessInfo` / `HerdrMethods` and names the enforcing test. Only that one line changes; #812, #888 and #894 also edit AGENTS.md. ## Allowlist (`HERDR_RPC_ALLOWED`, migrated in PR B) | File | Open PRs touching it | |------|----------------------| | `server/conversation.ts` | #869 #912 #923 | | `server/gjc-runtime.ts` | #912 | | `server/hermes.ts` | #910 | | `server/omo.ts` | #923 | | `server/shell-agent.ts` | #885 #923 | Built from `gh pr list --state open --limit 100 --json number,files` on 2026-10-14. ## Known limits (closed in PR B) - The export is still named `herdrRpc`. Renaming it to `herdrRpcUnsafe` would touch about 33 test files and 30 `scripts/` harnesses, several of them in open PRs (api.contract, gjc.contract, omo.contract, ui-regression, pending-input…). Tests and `scripts/` QA harnesses are outside this guard's scope: they drive herdr (`pane.report_agent`, `workspace.create`, …) and are not part of the bridge seam. - A call with an explicit result type, `herdrRpc<Inline>("pane.process_info", …)`, still reaches the untyped fallback. That is the form the allowlisted files use, and they may not change here. In server code the source guard closes this gap. The fallback goes away once the allowlist is empty. ## Validation - `bun run check fast`: green. A first run had one failure in `server/portal.test.ts` ("does not treat an arbitrary interpreter as a Portal script": the process argv read raced and returned undefined). This change does not touch that file, it passed alone, and the rerun was fully green. - `bun run test:integration`: 455 pass, 0 fail, 14 skip in 38 files (includes the omp, codex, codex-binding, pi, gjc, omo and hermes contract tests). - I checked by hand that the guard fails on a new `herdr.herdrRpc` use in `server/pi.ts`. ## Follow-up: PR B Once #869, #885, #910, #912 and #923 land: migrate the five allowlisted files to `paneProcessInfo` / `agentGet` / `paneSendText` / `paneSendKeys`, empty `HERDR_RPC_ALLOWED`, drop the untyped fallback overload (or rename it `herdrRpcUnsafe` for tests and scripts), and consider handling `argv: null` in `codex.ts`. ## Review Fixed in 290d5f1: - **Union of typed methods (medium, part of finding 1).** The typed overload takes `SingleHerdrMethod<M>`, so `herdrRpc(cond ? "pane.process_info" as const : "agent.get" as const, { target })` no longer compiles. `seam.test.ts` pins this with a `@ts-expect-error` line. Checked with tsc: the inferred `herdrRpc("pane.process_info", { pane_id })` still returns the typed result. - **Allowlist missed #928 and #859 (medium).** `conventions.test.ts` adds `HERDR_RPC_PENDING` with `server/gjc-status.ts` (#928) and `server/index.ts` (#859). Those PRs add a `pane.process_info` call, but neither file calls herdrRpc on main yet, so the "no longer calls" check skips them. It would be better for both PRs to switch to `paneProcessInfo(paneId)`, which is a one-line change in each. After that, these entries come out. - **Docs claimed more than the PR delivers (low).** AGENTS.md now says the guard enforces the rule, not the compiler, and that the allowlisted and pending files still call herdrRpc. The changelog fragment now says "no longer compiles without an explicit result type". "PR B" is replaced with "a follow-up PR that moves these files to the wrappers once their open PRs land". The fallback docblock in `client.ts` and the `UntypedHerdrMethod` comment in `methods.ts` list the holes. Deferred to the follow-up PR that drains `HERDR_RPC_ALLOWED`: - **Explicit result type and widened string (rest of finding 1).** `herdrRpc<T>("pane.process_info", { target })` and `herdrRpc(m as string, { target })` still compile. With an explicit T, the fallback's `M` stays at `string`, and that cannot be closed while the fallback shares the name. Closing it means splitting the fallback out as `herdrRpcUntyped` (or `herdrRpcUnsafe`) and moving about 400 test and script call sites onto it. It also means converting the `herdrRpc<T>("pane.process_info" | "agent.get", …)` calls in the five allowlisted files, which conflicts with their open PRs. `seam.test.ts` keeps both forms as compiling lines with a comment, so the follow-up can turn them into `@ts-expect-error`. - **Error message.** Two overloads are still present, so tsc reports a bad inferred call such as `{ target }` to pane.process_info as `not assignable to parameter of type 'never'` instead of naming the wrong param. That message only gets better with the split. - **Stale pending entries.** Nothing removes a `HERDR_RPC_PENDING` entry on its own. If #928 or #859 switches to `paneProcessInfo` or closes, its entry stays until someone takes it out by hand. - **Tell the open PRs.** #912, #923, #928, #859 and #910 call `herdrRpc<T>("pane.process_info", …)`. They should hear about the switch to `paneProcessInfo` before the split lands. I have not commented on those PRs. Checks: `bun run check fast` passed (typecheck, build, 3452 unit tests). `bun run test:integration` passed (455 pass, 0 fail). 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
RikiSanjayaa
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October 14, 2026 05:16
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Inline comments:
Review comments at @server/hermes.ts:
- Around line 280-295: Update hermesRuntimeSession and its calls in
paneHermesCommandContext to compute gateway process start times once before
scanning candidates and reuse them for each registry match, avoiding repeated
synchronous process lookups. Preserve the final sameProcessLifetime validation
after candidate resolution, and keep the existing single hermesTerminalId
lookup.
Review comments at @server/prompt.ts:
- Around line 2436-2441: Update hermesNeedsTerminal to detect native Hermes
chrome only near the screen’s bottom, using the same tail rule as hermesTail or
an equivalent check of the last nonblank lines. Keep the existing native-panel
patterns, but prevent matching stale transcript text higher on the screen from
suppressing fallback prompts.
Review comments at @src/components/Composer.tsx:
- Around line 300-306: Update the `commandReload` tracking in `Composer` so each
transition from no visible `skillsReloaded` card to a visible card triggers an
inventory refresh, even when the card’s content hash matches the previous one.
Track card visibility separately from its ID and key the inventory effect on a
per-card sequence or equivalent; dismissing a visible card must not trigger
another read.
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📒 Files selected for processing: 22
changelog.d/hermes-chat-command-discovery.mddocs/guide.mdscripts/chat-size-regression.tsserver/codex.test.tsserver/codex.tsserver/commands.tsserver/conventions.test.tsserver/hermes-commands.test.tsserver/hermes-commands.tsserver/hermes.test.tsserver/hermes.tsserver/index.tsserver/portal.test.tsserver/prompt.test.tsserver/prompt.tssrc/components/ChatView.tsxsrc/components/Composer.tsxsrc/components/PaneTerminal.tsxsrc/lib/markdown.tssrc/lib/paneCommandCache.test.tssrc/lib/paneCommandCache.tssrc/lib/useSkillMatcher.ts
💤 Files with no reviewable changes: 1
- server/conventions.test.ts
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@coderabbitai review Addressed all three findings in 0f9f64a and added responsibility/invariant JSDoc to the PR-touched functions, including test helpers. The local diff-scoped TypeScript AST audit now finds 96/96 named functions and methods documented, with zero missing. This count is separate from your coverage metric; please recompute Docstring Coverage on the new head against the required 80% threshold. Fresh fast checks passed with 3,584 unit tests, 8 skipped and zero failures. Actual Composer/Markdown browser smoke and an isolated native-screen HTTP prompt smoke passed. Updated guide, changelog fragment and PR evidence distinguish this follow-up verification from the earlier full integration/browser run. |
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Inline comments:
Review comments at @server/prompt.ts:
- Around line 2451-2452: Update the bottom-border search in
`hermesNeedsTerminal` to stop at the first nonempty line that is not a panel
side, so it cannot associate a later box’s border with the matched panel. Keep
the search limited to lines following the matched panel and preserve the
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📒 Files selected for processing: 15
changelog.d/hermes-chat-command-discovery.mddocs/guide.mdscripts/chat-size-regression.tsserver/commands.tsserver/hermes-commands.test.tsserver/hermes-commands.tsserver/hermes.test.tsserver/hermes.tsserver/index.tsserver/prompt.test.tsserver/prompt.tssrc/components/Composer.tsxsrc/components/PaneTerminal.tsxsrc/lib/paneCommandCache.test.tssrc/lib/paneCommandCache.ts
🚧 Files skipped from review as they are similar to previous changes: 11
- src/components/PaneTerminal.tsx
- changelog.d/hermes-chat-command-discovery.md
- server/commands.ts
- src/lib/paneCommandCache.test.ts
- src/lib/paneCommandCache.ts
- src/components/Composer.tsx
- docs/guide.md
- server/prompt.test.ts
- server/index.ts
- server/hermes-commands.test.ts
- server/hermes-commands.ts
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Thank you, @RikiSanjayaa, for the careful work here. Command and skill discovery is a feature, and CONTRIBUTING asks for a maintainer's yes on a feature request before it is built. #867 doesn't have one, so we're not taking it in this form. Instead I checked whether anything in it fixes a bug on
If you'd still like discovery, please open a feature request so the scope can be agreed first. Closing this for now. |
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Summary
/retry,/help,/status,/reload-skills,/version,/profile,/plan,/review,/initand eligible individual skills./diff,/context, other native menus and multi-skill bundle presentation remain outside this scope./plan,/initand/reviewretain native execution and transcript persistence. Recognized approval cards preserve warnings and require explicit consent.Integrated upstream main
4a9226f, including #949, #964, #967 and #970. Hermes now callspaneProcessInfoandagentGet; its fulfilled RPC guard exceptions are removed. Preserve upstream phone-grid reclamation, socket probes and held-draft behavior. Keep the cache in upstream's sharedpaneCommandCache.ts, rather than restoring a competing Composer-local cache. Changelog notes now use a fragment.Evidence
/profileredraw put its result before the command echo, leaving Chat without a card. The new regression failed with an undefined result. After: complete reordered results parse, ambiguous earlier results remain rejected, and browser-driven CLI and Ink command runs passed before this upstream integration.HERDR_TEST_MODE=unit bun test ./server/portal.test.ts ./src/lib/paneCommandCache.test.ts: 37 passed, 0 failed. Cache regressions cover stale reads, abandoned requests, scope transitions, PC/pane isolation and shared invalidation. Portal fixtures now wait for their own processes to execute before inspecting identity; production Portal checks are unchanged.UNIT_TEST_WORKERS=2 bun run check fullpassed workflow syntax, generated types, typecheck, production build, 3,579 unit tests (8 skipped), integration (472 passed, 1 skipped) and the complete browser lane, including held-attachment resume. Zero failures. Report2e5d47d6-e5bf-4114-bad9-0c67cc973779records unchanged source and an unchanged browser artifact built in that run.paneProcessInfostill returned the requested pane.agentGetpreservedagent_not_foundfor an untracked shell pane, exercising the transcript fallback's native error case. No native Hermes process was launched for this wrapper smoke.UNIT_TEST_WORKERS=2 bun run check fastpassed all steps with 3,584 unit tests passed, 8 skipped and zero failures; report5885c06c-03d1-42de-99f6-54e1604d90bdverifies unchanged source. Focused Hermes, discovery, prompt and cache suites passed 359 tests.(y/n)wait produced the fallback Enter card; an active unsupported Diff pager produced no card. No native Hermes process was launched. The full integration/browser lanes above were not rerun for this review follow-up.0f9f64a.UNIT_TEST_WORKERS=2 bun run check fastpassed workflow syntax, generated types, typecheck, production build and 3,585 unit tests (8 skipped, zero failures). Report18818ebe-4fe9-4d7a-80dd-4d0dff71ed92verifies unchanged source. The local documentation audit remains 96/96.Merge Danger
Door: two-way. No native-store migration or model-input changes.
Blast Radius: Chat.
Discovery differences can omit suggestions or leave output in Terminal. The shared inventory also serves transcript skill mentions. Informational cards are transient. Native environment discovery has platform limits; macOS and Windows native behavior are not claimed as exercised here. Local verification is complete and this PR is ready for review. Hosted checks and maintainer review remain merge requirements; local verification is not review approval.