fix: remove hardcoded productName in workspace commands

[yk2012]

• Add productName parameter to worktree utility functions (listWorktrees, createWorktree, deleteWorktree, generateWorkspaceName, addToGitExclude, getWorktreeFromPath, mergeWorktree)
• Update workspace commands (create, list, delete, complete) to pass productName from context
• Update nodeBridge handlers to pass context.productName to worktree functions
• Fix hardcoded '.neovate-workspaces' to use dynamic '.{productName}-workspaces'
• Fix hardcoded error messages to use context.productName instead of 'neo'
• Update WorkspaceList component to accept and use productName prop

This ensures workspace functionality works correctly regardless of the productName value (e.g., 'neo', 'neovate', or any other name).

[augmentcode]

🤖 Augment PR Summary

Summary: This PR removes hardcoded workspace/product identifiers so workspace commands work with any configured productName.

Changes:

• Plumbs productName through worktree utilities (list/create/delete/merge, name generation, git exclude, and path detection).
• Updates CLI workspace commands (create/list/delete/complete) to pass context.productName into worktree helpers.
• Updates NodeBridge workspace handlers to forward context.productName to the same worktree helpers.
• Replaces hardcoded .neovate-workspaces usage with .{productName}-workspaces paths.
• Improves user-facing messaging to avoid hardcoded neo in several places.

Technical Notes: Worktree discovery now filters Git worktrees by a product-specific workspace directory name, so consistent normalization of productName matters across entrypoints.

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[augmentcode]

Review completed. 3 suggestions posted.

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[augmentcode]

deleteWorktree now throws Use workspace list... without including the CLI prefix, which can make the guidance ambiguous when multiple products/CLIs exist. Since productName is already a parameter, consider including it in this user-facing message for consistency with the other errors.

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[augmentcode]

WorkspaceSuccessMessage still prints neo workspace complete in its “Next steps” output, so users running a different productName will see incorrect instructions. Consider plumbing productName into that message as well to fully remove hardcoding.

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