Add -confirm and -immediate variants for clipboard-paste

[davidscholberg]

This change adds the following actions:

<Plug>(fern-action-clipboard-paste-confirm)
<Plug>(fern-action-clipboard-paste-immediate)

Where -confirm prompts the user for confirmation when moving a file and -immediate does not. <Plug>(fern-action-clipboard-paste) now maps to <Plug>(fern-action-clipboard-paste-confirm), which was the default behavior of the clipboard paste action before this change. As such, this is not a breaking change.

Fixes #551.

Summary by CodeRabbit

• New Features

  • Clipboard paste now offers two modes: paste with confirmation (default) and immediate paste to skip the confirmation when moving files.

• Documentation

  • Docs updated to describe the two paste variants and their confirmation behavior, and note the default mapping remains the confirm variant.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 57a1ff45-0483-44c6-b4a6-da04e8ca8621

📥 Commits

Reviewing files that changed from the base of the PR and between 7f86797 and eb7c524.

📒 Files selected for processing (3)

• autoload/fern/scheme/dict/mapping/clipboard.vim
• autoload/fern/scheme/file/mapping/clipboard.vim
• doc/fern.txt

✅ Files skipped from review due to trivial changes (1)

• doc/fern.txt

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📝 Walkthrough

Walkthrough

Splits the clipboard paste action into two variants (confirm-required and immediate) across dict and file schemes and updates documentation; handlers now accept a boolean flag to skip the move confirmation prompt.

Changes

Clipboard paste action split into confirm/immediate variants

Layer / File(s)	Summary
Dict scheme paste action split autoload/fern/scheme/dict/mapping/clipboard.vim	Adds separate fern-action-clipboard-paste-confirm and fern-action-clipboard-paste-immediate mappings, and updates the handler to accept a confirm_move parameter that gates the move confirmation prompt.
File scheme paste action split autoload/fern/scheme/file/mapping/clipboard.vim	Implements the same paste action split as dict scheme: separate confirm/immediate mappings with the alias pointing to confirm, and handler parameter for conditional move confirmation.
Clipboard paste action documentation doc/fern.txt	Documents the three clipboard paste variants and clarifies the behavior difference: confirm variant prompts before moving files, while immediate variant skips the confirmation.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Suggested reviewers

• lambdalisue

Poem

🐰 I hopped through code with ears held high,

Split paste paths under moonlit sky.
Confirm or quick — the choice is near,
No more prompts to cause a tear.
Files move swift, the rabbit cheers!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately and concisely describes the main change: adding variant forms (-confirm and -immediate) for the clipboard-paste action.
Linked Issues check	✅ Passed	The PR fulfills issue #551 by introducing -confirm and -immediate variants for clipboard-paste, providing the requested mechanism to bypass the confirmation prompt when moving files.
Out of Scope Changes check	✅ Passed	All changes are directly scoped to implementing the clipboard-paste variants; no out-of-scope modifications are present in the three files modified.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@doc/fern.txt`:
- Line 1309: Replace the misspelled word "defalut" with "default" in the
sentence containing "files (this is defalut), and the immediate variant skips
this prompt." so the text reads "files (this is default), and the immediate
variant skips this prompt."

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 93514b40-6ae9-48a0-baad-27d11ac1c1c4

📥 Commits

Reviewing files that changed from the base of the PR and between b4520a5 and 7f86797.

📒 Files selected for processing (3)

• autoload/fern/scheme/dict/mapping/clipboard.vim
• autoload/fern/scheme/file/mapping/clipboard.vim
• doc/fern.txt

[lambdalisue]

LGTM

[lambdalisue]

CI failed but #549 so it's ok.

[lambdalisue]

Thanks a lot 🎉