[codex] Fix workspace delete permission rendering

[sara2398]

Summary

• Pass workspace manage permission into the live Workspace side panel.
• Hide workspace mutation actions for users without manage access.
• Keep enterprise_info permission handling separate via canManageEnterpriseInfo.

Fix

Fixes #656.

Root Cause

The main Workspace tab already gated delete actions with canManage, but the live Workspace side panel did not receive the same workspace manage permission. As a result, non-admin/non-manage users could still see delete controls in that panel even though backend deletion was blocked.

Validation

• Ran git diff --check.
• Frontend build was not run because node/npm/pnpm/yarn are unavailable in this shell environment.

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Preserve workspace edits for use-level users

For agents where the current user has access_level: "use", this makes canModifyPath('workspace/...') false, which also suppresses the side-panel edit button via canEdit and blocks create/upload actions. The rest of the workspace UI still enables upload, newFile, newFolder, and edit for these users while gating only delete on canManage (AgentDetailPage.tsx:5792), and the write endpoint only requires check_agent_access (backend/app/api/files.py:604), so this commit removes an allowed workflow from the live side panel rather than just hiding unauthorized deletes.

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