[plandolt]

Note

This pull request was written entirely by AI (Claude Code). If it's not what you want for Inlay, please feel free to close it.

Summary

Adds an opt-in Never leave transcripts on the clipboard toggle under This Mac. It is off by default and stored in config.json as preserveClipboard.

Today, when a paste can't be confirmed (common in browsers and Electron apps, which report no caret), the transcript is kept on the clipboard as a backup and replaces whatever the user had copied. With the toggle on, the previous clipboard is always restored, and the words stay in Inlay to copy.

 keyboard paste
   stage transcript on clipboard (transient)
+    toggle on: supply it on demand, note when the target reads it after ⌘V
   send ⌘V
   poll caret for confirmation
-    up to 700 ms
+    toggle on: stop ~100 ms after the target read the paste, else up to 1.5 s
   confirmed   → restore previous clipboard
   unconfirmed → keep transcript as backup
+                toggle on: restore previous clipboard
 no editable field → copy transcript
+                    toggle on: leave clipboard unchanged
 target changed    → copy transcript
+                    toggle on: leave clipboard unchanged

Without a backup, restoring too early would let a slow editor paste the old clipboard, which is easy to miss. So the staged item uses NSPasteboardItemDataProvider: Inlay learns when the paste is actually read and restores right after, instead of waiting out a fixed window. Reads before ⌘V is sent (e.g. clipboard managers) are ignored. 1.5 s remains the upper bound if the target never reads it.

• TextDeliveryTransaction: preservesClipboard disables every backup path, plus the PasteboardReadSignal data provider and the read-aware confirmation loop.
• TextInserter: passes the setting through; the no-editable-field path fails with "Your clipboard was left unchanged" instead of copying.
• InlayController, PreferencesPage, InlayConfiguration: the toggle and its persisted flag, decoded like the other settings.
• docs/architecture.md: documents the clipboard behaviour.

Evidence

• Before: after an unconfirmed paste, the clipboard holds the transcript until the user copies something else.
  After (toggle on): the previous clipboard comes back after the paste; with on-demand reads it returns almost immediately instead of after the full window. Checked manually in Inlay Dev.
• swift build --force-resolved-versions, bun run fmt:check, and bun run generate:api --check pass.

Merge Danger

Door: two-way

Off by default. With it off, delivery takes the same paths as today; only the confirmation loop's signature changed. Reverting removes one config key, which older builds ignore.

Blast Radius: opt-in

• A clipboard manager that reads the staged text after ⌘V and before the target app can end the wait early, so the target pastes the old clipboard. Managers that honour org.nspasteboard.TransientType skip it.
• With the toggle on, unconfirmed pastes leave no clipboard fallback; the words are only in Inlay.

Note

Add per-Mac option to never leave transcripts on the clipboard

• Adds preserveClipboard to the local configuration model and persists it via InlayController; a new toggle appears in the This Mac preferences UI (preferences.preserve-clipboard)
• When enabled, delivery transactions skip all clipboard-backup and fallback paths, and TextInserter.deliver rejects clipboard-only destinations instead of copying the transcript
• Confirmation polling uses a 1.5-second window for clipboard-preserving deliveries; the previous 700-millisecond window remains the default
• Behavioral Change: with preserveClipboard enabled, changed-target and paste-unavailable paths fail instead of staging a backup, and unconfirmed insertions report unconfirmed without a clipboard copy — see keepBackup and copyNewChunk in TextDeliveryTransaction.swift. Older config files load with the setting off

^{Macroscope summarized 0af0eb8.}

Confidence Score: 5/5

No blocking issues are identified. The preference is off by default, and clipboard restoration preserves anything the user copies during delivery.

Summary

Adds an opt-in clipboard preference under This Mac.

• An opt-in setting keeps transcripts off the clipboard after delivery.

_{Reviews (2) · Last reviewed commit: "TRIMMED: Drop the clipboard toggle capti..." · Reviewed by Greptile}

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⚙️ Run configuration

• Configuration used: Organization UI
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• Run ID: 9b6c87f0-bbfb-409b-857f-6282c0f16232

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📥 Commits

Reviewing files that changed from the base of the PR and between 6fea9e6 and 0af0eb8.

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📒 Files selected for processing (4)

• Sources/Inlay/System/TextDeliveryTransaction.swift
• Sources/Inlay/System/TextInserter.swift
• Sources/Inlay/Views/PreferencesPage.swift
• docs/architecture.md

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📝 Walkthrough

📝 Walkthrough

Walkthrough

The change adds a device-level clipboard-preservation preference and persists it in configuration. Transcript delivery uses the preference to control clipboard fallback, staging, confirmation timing, and backup writes. The architecture documentation describes the preference and clipboard handling.

Changes

Clipboard Preservation

Layer / File(s)	Summary
Preference and configuration Sources/InlayCore/InlayConfiguration.swift, Sources/Inlay/InlayController.swift, Sources/Inlay/Views/PreferencesPage.swift, docs/architecture.md	Configuration stores preserveClipboard with a false fallback for missing values. The device preferences form adds the toggle and explanatory text. The controller applies the setting and updates configuration when it changes.
Delivery setting propagation Sources/Inlay/InlayController.swift, Sources/Inlay/System/TextInserter.swift	InlayController passes the setting to TextInserter.deliver. When enabled, field delivery configures TextDeliveryTransaction for preservation, and clipboard fallback returns a failure without copying the transcript.
Clipboard staging and restoration Sources/Inlay/System/TextDeliveryTransaction.swift, docs/architecture.md	Preservation mode stages text with a pasteboard read signal, uses a confirmation window of up to 1,500 ms, and suppresses transcript backup writes. The documentation describes clipboard restoration and backup behavior.

Suggested reviewers: bmdavis419

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Priority: ⬇️ Low

Merge Risk: 🟡 Moderate · up to 6fea9

With the new clipboard-preservation option enabled, a clipboard manager can cause Inlay to restore the old clipboard before a slow app pastes. That app can then paste the wrong content. The option is off by default, but this timing issue should be addressed or explicitly accepted before merge.

Pre-merge checks | 4 | 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 7.14% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 14 functions across 5 files. (1 skipped: 1…	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check		The title clearly and concisely describes the main change: adding an option that prevents transcripts from remaining on the clipboard.
Description check		The description directly explains the new preference, its persistence, clipboard restoration behavior, implementation details, testing evidence, and known risk.
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

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Full details: Docstring Coverage

Explanation

Docstring coverage is 7.14% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 14 functions across 5 files. (1 skipped: 1 unsupported.)

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Actionable comments posted: 1

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• 🪄 Fix CodeRabbit comments on this PR

🤖 Prompt to fix review comments

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Inline comments:
Review comments at @Sources/Inlay/System/TextDeliveryTransaction.swift:
- Around line 198-200: Update the polling loop in TextDeliveryTransaction so an
unidentified pasteboard read does not trigger restoration after one additional
poll. Keep the staged paste available until insertion is confirmed or the
restore-grace deadline expires, since the read may come from a clipboard manager
rather than the target app.

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• Configuration used: Organization UI
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• Run ID: ad46a396-1daa-41b5-ba54-0e4509e67a87

📥 Commits

Reviewing files that changed from the base of the PR and between b6d6815 and 6fea9e6.

📒 Files selected for processing (6)

• Sources/Inlay/InlayController.swift
• Sources/Inlay/System/TextDeliveryTransaction.swift
• Sources/Inlay/System/TextInserter.swift
• Sources/Inlay/Views/PreferencesPage.swift
• Sources/InlayCore/InlayConfiguration.swift
• docs/architecture.md

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