fix(chat): label simple effort options with the effort they send

[waleedlatif1]

Summary

The simple Chat effort picker (shown when the advanced model selector is off) labeled each effort one step lower than the effort it sends:

Sends	Old label	New label
medium	Low	Medium
high (default)	Medium	High
xhigh	High	Extra High

This is a label-only change: zero behaviour change, and the default still sends high. A user who never touched the setting sends exactly what they sent before; the picker now reads "High" instead of "Medium".

Design

MOTHERSHIP_SIMPLE_EFFORT_OPTIONS is now derived by filtering MOTHERSHIP_EFFORT_OPTIONS to medium, high and xhigh, so the simple picker uses the same label for an effort as the advanced picker and the Sim Chat block. The two lists can no longer drift apart.

Compatibility

Every consumer was checked:

• model-selector.tsx (Chat composer): the only reader of MOTHERSHIP_SIMPLE_EFFORT_OPTIONS. It renders option.label and sends option.value; the values are unchanged.
• resolveMothershipModelSettings: untouched. It still defaults to high and still clamps low→medium and max→xhigh when the simple picker is shown.
• Persisted preference (stores/mothership-effort): stores the effort value, never the label, so saved selections are unaffected.
• Sim Chat block (blocks/blocks/mothership.ts): uses MOTHERSHIP_EFFORT_OPTIONS, which already labeled each effort honestly. Unchanged.
• Docs and tests: no page or test refers to the simple picker's labels.

Test plan

• stores/mothership-effort and composer tests pass
• bun run lint, bun run type-check, bun run check:audits, bun run docs-manifest:check, block-registry check against origin/staging
• bun run test via CI (Lint and Test, PostgreSQL integration, end-to-end): green. Locally the suite only timed out under unrelated machine load

[waleedlatif1]

@greptile

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1 Skipped Deployment

Project	Deployment	Actions	Updated
docs	Skipped		Oct 5, 2026 8:50am UTC

[waleedlatif1]

@cubic-dev-ai review this PR

[cubic-dev-ai]

@cubic-dev-ai review this PR

@waleedlatif1 I have started the AI code review. It will take a few minutes to complete.

[cubic-dev-ai]

No issues found across 1 file

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

_{Re-trigger cubic}

[cubic-dev-ai]

No issues found across 1 file

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

_{Re-trigger cubic}

[greptile-apps]

Confidence Score: 5/5

[Medium risk] Changes labels on effort selection UI options.

The PR appears safe to merge.

Summary

The simple Chat effort picker now derives its options from the shared effort list.

• The displayed labels become Medium, High, and Extra High for the existing medium, high, and xhigh values.
• The default and sent effort values remain unchanged.

_{Reviews (1) · Last reviewed commit: "fix(chat): label simple effort options w..."}

[waleedlatif1]

Label-only change, verified: the picker values are unchanged (medium / high / xhigh), the default still sends high, and the only reader of these labels (model-selector.tsx) sends the value. Nothing that reaches the model changes, so there is no behavior to benchmark.