fix(server): keep workspace reuse as the default

[Waishnav]

Long-running MCP sessions could repeatedly call open_workspace because normal tool descriptions presented it as a prerequisite, even while an existing workspaceId was still usable. That made reopening feel like the default action instead of continuing in the current workspace.\n\nThis makes the model-facing contract reuse-first: the server description is intentionally short, open_workspace is only for establishing a missing workspace, downstream tools simply consume the existing workspaceId, and unknown IDs provide the recovery path. The change is wording-only for workspace lifecycle behavior; existing checkout/worktree mechanics stay unchanged.

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Review details

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📥 Commits

Reviewing files that changed from the base of the PR and between 3bd0378 and 37ecf5c.

📒 Files selected for processing (4)

• src/artifact-tools.ts
• src/server.test.ts
• src/server.ts
• src/workspaces.ts

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[greptile-apps]

Greptile Summary

The PR updates model-facing descriptions and instructions so existing workspace IDs are reused by default, while preserving the underlying workspace lifecycle behavior.

• Reframes server and tool descriptions around workspace reuse.
• Clarifies recovery when a workspace ID is rejected.
• Updates workspace response wording and corresponding contract tests.

Confidence Score: 5/5

The PR appears safe to merge with no actionable defects identified in the wording-only workspace contract changes.

The revised descriptions consistently preserve initial workspace creation, continued ID reuse, and unknown-ID recovery while leaving checkout, worktree, registry, and context-loading mechanics unchanged.

Important Files Changed

Filename	Overview
src/server.ts	Updates MCP server, tool, and workspace-response wording to consistently promote reuse without changing execution behavior.
src/workspaces.ts	Revises the unknown-workspace error to describe reopening the target and continuing with the replacement ID.
src/artifact-tools.ts	Aligns artifact download metadata with the reuse-first workspace contract.
src/server.test.ts	Adds contract coverage for reuse-first descriptions and updates assertions for the revised response wording.

_{Reviews (1): Last reviewed commit: "fix(workspace): make unknown id recovery..." | Re-trigger Greptile}