fix: multi repo issue about #43

[Chzxxuanzheng]

Q	A
Type	bugfix
Issue	Fix #43

• record currentBridge at neo-git-graph.view to communicate with webview
• when run neo-git-graph.view, it will auto switch the currentRepo
• loadRepos now can update currentRepo to the lastActiveRepo
• webview panel now can set initial repo

[Copilot]

Pull request overview

Fixes multi-repo behavior by allowing neo-git-graph.view to open/switch the graph for the repo associated with the SCM context, and synchronizing the selected repo between the extension and the webview.

Changes:

• Extend neo-git-graph.view to accept an SCM/resource argument, switch the backend repo, and notify an existing webview to switch repos.
• Add support for setting an initial repo when creating the webview panel (via initialRepo / lastActiveRepo).
• Update the webview’s loadRepos logic to switch currentRepo to lastActiveRepo when appropriate; add SCM title menu contribution and command icon metadata.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
src/webview/main.ts	Webview repo-switching logic updated to honor lastActiveRepo and reformat several payloads.
src/extension/webviewPanel.ts	Adds initialRepo option and persists it as lastActiveRepo before building webview HTML.
src/extension.ts	Enhances neo-git-graph.view to parse SCM context, switch repo, and coordinate with an already-open webview via currentBridge.
package.json	Adds command icon metadata and contributes the view command to the SCM title menu.

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