feat(agent): stream-driven summaries for codex, gemini, cursor, copilot#1230

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peyton-alt wants to merge 12 commits into

feat/explain-stream-progressfrom

feat/non-claude-streaming

Commits on May 20, 2026

feat(agent): add StreamingGeneratorTemplate + progress-writer field degradation

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feat(codex): implement StreamingTextGenerator

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fix(codex): redact raw error envelopes + surface skipped malformed lines

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feat(geminicli): implement StreamingTextGenerator

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feat(copilotcli): implement StreamingTextGenerator

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fix(copilotcli): tick output-token counter during streaming

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feat(cursor): implement StreamingTextGenerator

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refactor(agent): extract LooksLikeUnrecognizedFlag shared helper

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refactor(agent): extract SafeErrorMessage shared helper

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feat(explain): show cached-input-tokens on PhaseDone line

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fix(explain): restore //nolint:exhaustive on ClaudeErrorKind switch

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fix(agent): address PR #1230 review feedback

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