fix(settings): provider updates show live progress instead of a bare spinner

[shivamhwp]

Clicking update on a provider in Settings showed a spinner that only said "Updating". Once the popover closed, the row looked untouched, so you couldn't tell whether it was downloading, stuck, or done.

Now the server reports each step of the update, and the row and popover show it as it happens:

• The steps are "Checking for the latest version", then "Running claude update", then the installer's own latest output line (for example "Downloading 2.1.293... 66%"), then "Verifying the installed version".
• The row swaps the arrow for a spinner and shows "Updating · " under the name.
• If the update fails, the popover says why instead of going quiet.

The server samples installer output once a second, because each change resends the provider list to every client. The steps travel in the existing updateState.message field, so the contract doesn't change. Mobile already prints that field and gets the live steps without a client change.

Testing

I ran an isolated dev server on this worktree's own state, with a fake claude set as a provider's binary path. Its update prints check, download (a redrawn \r progress bar), and install lines over about 20 seconds. I ran the same steps on main and on this branch.

	Before (main)	After
Popover after clicking "Update now"
Row while the update runs
Failed update (installer exits 1)	Popover shows nothing

When the update finished, the row showed v2.1.293 and the arrow disappeared (after).

Automated checks:

• vp test run apps/server/src/provider/providerMaintenanceRunner.test.ts: 19 passed. A new test holds the installer open, advances the clock one second, and checks that only the newest line of a redrawn progress bar gets reported. Another checks that ANSI colors are stripped and long lines are cut to 200 characters.
• ProviderInstanceCard.test.ts and ProviderUpdateLaunchNotification.logic.test.ts pass. Typecheck and lint are clean for the touched files.

Not covered: real claude update, npm, and Homebrew runs. Each prints in its own format, and whatever line it prints shows as-is. I didn't run mobile in a simulator. It reads the same message field it already displays.

Done by Claude Opus 5.5 in Claude Code, running inside T3 Code.

🤖 Generated with Claude Code

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	5.0 KiB	5.0 KiB	0 B (0.0%)	6.8 KiB	✅
Codex	Thread snapshot wire	3.8 KiB	3.8 KiB	0 B (0.0%)	4.9 KiB	✅
Codex	Live turn WebSocket wire	1.2 KiB	1.2 KiB	0 B (0.0%)	2.0 KiB	✅
Codex	Live turn WebSocket decoded	20.9 KiB	20.9 KiB	0 B (0.0%)	29.3 KiB	✅
Codex	Live turn messages	2	2	0 (0.0%)	8	✅
Claude	Total thread wire	5.0 KiB	5.0 KiB	+24 B (+0.5%)	6.8 KiB	✅
Claude	Thread snapshot wire	3.8 KiB	3.8 KiB	0 B (0.0%)	4.9 KiB	✅
Claude	Live turn WebSocket wire	1.2 KiB	1.2 KiB	+24 B (+2.0%)	2.0 KiB	✅
Claude	Live turn WebSocket decoded	21.2 KiB	21.2 KiB	+41 B (+0.2%)	29.3 KiB	✅
Claude	Live turn messages	1	2	+1 (+100.0%)	8	✅

Baseline: 3143335 · PR result: ad5766b · Source CI: success

Scenario and decoded snapshot size

10 historical turns, 5 command tools per turn, 878.9 KiB retained MCP result per historical turn, and a 1.05 MiB retained result in the measured turn.

• Codex decoded thread snapshot: 108.5 KiB
• Claude decoded thread snapshot: 108.8 KiB

Updated in place by a trusted workflow. PR artifacts are strictly validated and never executed.

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📒 Files selected for processing (3)

• apps/server/src/provider/providerMaintenanceRunner.test.ts
• apps/server/src/provider/providerMaintenanceRunner.ts
• apps/web/src/components/settings/ProviderInstanceCard.tsx

🚧 Files skipped from review as they are similar to previous changes (2)

• apps/web/src/components/settings/ProviderInstanceCard.tsx
• apps/server/src/provider/providerMaintenanceRunner.test.ts

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📝 Walkthrough

Walkthrough

The provider update runner now publishes lifecycle stages and sampled installer output. The provider settings card displays update progress and update problems.

Changes

Provider update progress

Layer / File(s)	Summary
Capture and format installer progress apps/server/src/provider/providerMaintenanceRunner.ts, apps/server/src/provider/providerMaintenanceRunner.test.ts	When a progress callback is supplied, the command runner tracks stdout and stderr and samples available output once per second. Helpers split output into lines, strip terminal control characters, and limit progress messages. Tests cover sampling and output formatting.
Report update lifecycle stages apps/server/src/provider/providerMaintenanceRunner.ts, apps/server/src/provider/providerMaintenanceRunner.test.ts	The runner publishes version-check, formatted-command, installer-progress, and verification messages. The success test checks the ordered status messages.
Display update progress in settings apps/web/src/components/settings/ProviderInstanceCard.tsx	The card displays queued or running progress and failed or unchanged messages when no update is in progress. The advisory control and list row show updating state and progress text.

Priority: ⬇️ Low

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Bug fix

Sequence Diagram(s)

sequenceDiagram
  participant ProviderMaintenanceRunner
  participant ProviderUpdateState
  participant ProviderInstanceCard
  ProviderMaintenanceRunner->>ProviderUpdateState: publishes lifecycle status and sampled progress
  ProviderInstanceCard->>ProviderUpdateState: reads update state
  ProviderUpdateState-->>ProviderInstanceCard: returns status and progress

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Suggested reviewers: juliusmarminge

Merge Risk: ⚪ Minimal · up to af217

Provider updates now show sampled installer progress and lifecycle messages. No actionable update failure or user-facing issue is established, so the change is ready to merge after normal checks.

Security Architecture Review

Security architecture risk: 🔵 Low · up to af217

Installer text is now visible during updates to clients permitted to read provider status. Existing update permissions, text-only rendering, and completion checks remain. No concrete vulnerability was identified, but the sensitivity of installer output has not been established.

Retained concerns
No architecture-level concerns identified.

Security review details

Security Blast Radius

• observed — Live output is shared with server-configuration subscribers, not restricted to the update initiator. The subscription requires orchestration-read scope, whereas initiating an update requires providers-manage scope. No additional execution privilege is introduced by the progress callback.
• inferred — The audience already received bounded terminal output before this PR, but live sampling expands timing and potentially content. It observes streams before capture truncation and can expose later lines or lines from a command that ultimately times out. The inspected evidence does not establish that those lines contain secrets.

Trust Boundaries and Controls

• observed — Installer-controlled text crosses into shared status presentation, but the checked web and mobile consumers render it as ordinary text rather than HTML or executable content. Fresh installation ownership and compatibility checks still precede execution.

Hardening Proposals

• proposed — If supported installers can emit credentials or private configuration, use redacted or structured progress messages before shared publication. Text escaping and length limits do not provide confidentiality protection.

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description clearly covers the problem, implementation, verification steps, screenshots, automated checks, and untested scenarios. It omits the required Scope and approval information and does not…	Add a Scope and approval section. Link the triaged issue or maintainer approval comment, or explain why this is a small, focused fix of an obvious bug that does not require prior approval.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: showing live provider update progress in Settings instead of only a spinner.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Explanation

The description clearly covers the problem, implementation, verification steps, screenshots, automated checks, and untested scenarios. It omits the required Scope and approval information and does not explain an issue link, maintainer approval, or why this focused fix qualifies for an exemption.

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Actionable comments posted: 3

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Inline comments:
Review comments at @apps/server/src/provider/providerMaintenanceRunner.ts:
- Around line 141-142: Update the progress sampler near split.lines and
pendingProgress to use a bounded, formatted partialLine when no newer complete
line is available, while preferring the latest complete line. Add a regression
test for an updater that remains open after writing an unterminated status.
- Around line 139-140: Bound the incomplete-line buffer in the trackProgress
flow around splitOutputLines so partialLine cannot grow without limit when
output contains no newline; continue consuming and decoding the stream after the
cap is reached.

Review comments at @apps/web/src/components/settings/ProviderInstanceCard.tsx:
- Around line 949-950: Update the span containing the updateProgress list-row
text in ProviderInstanceCard to use aria-live="polite" so progress changes are
announced when the popover is closed.

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• apps/server/src/provider/providerMaintenanceRunner.ts
• apps/web/src/components/settings/ProviderInstanceCard.tsx

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Approvability

Verdict: Approved at af2178c

Macroscope's review found this PR approvable — This is a localized provider-update feedback fix: existing user-triggered updates now expose bounded, sampled installer progress in the server state and settings UI without changing update execution or persistence. The supplied unresolved sampler findings meet the repository’s blocking severity threshold and remain separate approval blockers.

No code changes detected at ad5766b. Prior analysis still applies.

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