Fix URL autocomplete replacement

[gschier]

Fixes URL autocomplete inserting a second protocol separator or appending a saved URL to the existing value.

• Give URL completions option specific replacement behavior
• Preserve the hostname when accepting http:// or https:// before an existing ://
• Replace the complete value when accepting a saved URL
• Share the behavior between HTTP and WebSocket request URL bars
• Add focused regression coverage

https://yaak.app/feedback/posts/autocomplete-inserts-duplicate-protocol

[greptile-apps]

Greptile Summary

This PR fixes URL autocomplete replacement in HTTP and WebSocket request bars. The main changes are:

• Adds option-specific replacement behavior for URL completions.
• Preserves the hostname when completing a protocol before ://.
• Replaces the full input when selecting a saved URL.
• Shares completion configuration between both request panes.
• Adds focused tests for the updated behavior.

Confidence Score: 5/5

This looks safe to merge.

• The latest changes apply the same replacement behavior to both URL bars.
• The focused tests cover the reported duplicate-separator and appended-URL cases.
• No blocking issues were found in the changed code.

Important Files Changed

Filename	Overview
apps/yaak-client/components/core/Editor/url/completion.ts	Adds shared URL options and custom replacement ranges for protocol and saved-URL completions.
apps/yaak-client/components/core/Editor/genericCompletion.ts	Allows generic completion options to provide a CodeMirror apply handler.
apps/yaak-client/components/core/Editor/url/completion.test.ts	Covers protocol suffix handling, protocol insertion, saved-URL replacement, and option composition.
apps/yaak-client/components/HttpRequestPane.tsx	Uses the shared URL completion configuration for HTTP requests.
apps/yaak-client/components/WebsocketRequestPane.tsx	Uses the shared URL completion configuration for WebSocket requests.

_{Reviews (4): Last reviewed commit: "Reapply "Always include URL protocols"" | Re-trigger Greptile}

Dismissed because a newer commit was pushed; Greptile will re-review the current head.

Dismissed because a newer commit was pushed; Greptile will re-review the current head.

Dismissed because a newer commit was pushed; Greptile will re-review the current head.