feat(input-prompt-prefix): IInput.SetPrompt — styled editor prompt prefix#11
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…tions 1+2)
- 1.1 Add SetPrompt(Line) and SetPrompt(string) to IInput; doc null/empty clears, no InputChanged
- 1.2 Implement both overloads on InputSurface via SetPromptCommand
- 1.3 Remove Prompt deferral bullet from InputSurface documented gaps
- 2.1 Add SetPromptCommand : ILoopCommand mirroring SetTextCommand
- 2.2 Add _prompt field and SetPrompt(Line) mutator to TextBuffer
- 2.3 Render prefix on first visual row; caret offset by promptWidth on row 0;
first-row capacity = width - promptWidth; continuation rows at column 0;
prefix never enters buffer content
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…n 3) - 3.1 Prefix renders before editable text on the first row - 3.2 Caret parks after prefix when buffer is empty - 3.3 No prompt → v1 regression guard - 3.4 Prompt persists across Clear() calls - 3.5 InputSubmitted payload excludes prompt prefix - 3.6 First-row wrapping uses width - promptWidth; continuation row at col 0 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- 4.1 Add SetPrompt("❯ ") to Dcli.Demo tour; clear with SetPrompt("") in finale
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- 5.1 dotnet build clean (0 warnings, 0 errors) - 5.2 dotnet test all green (890 passed) - 5.3 dotnet format --verify-no-changes clean - 5.4 openspec validate input-prompt-prefix --strict passes - 5.5 version bump 0.2.0-rc.5 → 0.2.0-rc.6 in Dcli and Dcli.Testing - 5.6 CHANGELOG updated with IInput.SetPrompt surface - 5.7 DEVLOG updated (all sections complete) - 5.8 dmon coordination noted (informational, no code change) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Sync the 'Input editor prompt prefix' requirement (6 scenarios) into the main openspec/specs/fixed-region/spec.md and move the completed change to openspec/changes/archive/2026-06-19-input-prompt-prefix/. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
IInput.SetPrompt(Line)andIInput.SetPrompt(string)to the public surface, letting consumers pin a styled prefix glyph (e.g.❯) before the editable region of the input editorInputChangedpayloads, and input history contain only user-typed textClear()until explicitly changed or cleared0.2.0-rc.5→0.2.0-rc.6openspec/specs/fixed-region/spec.mdupdated with the new requirementTest plan
dotnet test) — all existing tests green, 6 new integration tests viaHeadlessTerminaldotnet buildclean (0 warnings, analyzers/warnings-as-errors)dotnet format --verify-no-changescleanSetPrompt("❯ ")end-to-end🤖 Generated with Claude Code