Prompt to continue when evolution reaches limits

[cursor]

Summary

• Replace hard failures at evolution attempt/build limits with an interactive "The AI has made N attempts. Keep going?" prompt.
• Continue by extending the in-memory ceiling and preserving the current message context.
• Stop gracefully with a neutral completion summary; non-interactive runs default to stopping and log that behavior.
• Preserve comma-containing prompt choices (e.g. "Yes, keep going") by adding JSON-backed choice parsing with a legacy fallback.

Fixes ENG-520

Test Plan

• bunx oxlint "apps/native/src/components/widget/overlays/evolve-progress.tsx"
• cargo +stable check --locked --manifest-path "apps/native/src-tauri/Cargo.toml" (fails on existing unrelated errors in apps/native/src-tauri/src/main.rs and apps/native/src-tauri/src/peek.rs: missing hidden_title, invalid *focused, missing RunEvent::Reopen, unused window)

Docs

• Docs updated (companion PR in darkmatter/nixmac-web: #___)
• No docs update needed

  

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[github-actions]

	Warnings
⚠️	PR is marked WIP / draft — do not merge until ready for review.
⚠️	Please assign this PR to someone (usually yourself).

	Messages
📖	No docs update needed — acknowledged.

📋 PR Overview

Lines changed	383 (+308 / -75)
Files	0 added, 3 modified, 0 deleted
Draft / WIP	yes
Has Test Plan	yes
New UI components	no
New Storybook stories	no
New Rust modules	no
New TS source files	no
New tests	no
package.json touched	no
Cargo.toml touched	no
Infra / CI touched	no

🔬 Coverage

Report	Lines	Statements	Functions	Branches
apps/native/coverage/coverage-summary.json	17.9%	17.9%	31.0%	54.1%

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