Add Ideas panel for per-workspace notes

[imodeveloper]

Proposal

Add a lightweight Ideas panel to CodexMonitor that behaves like a mini notes app per workspace. Ideas can be created, edited, deleted, and sent as prompts—so we can capture thoughts during busy moments and revisit or execute them later without context switching.

I know how this looks 🙂 — "let’s put everything in this app" — but hear me out.

Sometimes I don’t have time right away, or I’m waiting for limits to reset, or I’m in the middle of something else. I still have ideas I want to test/implement later, so I end up dumping them into a notes app. It would be more useful to keep those notes directly in CodexMonitor, so we can review and try them later with zero context switching.

Change Log

• Add “Ideas” tab (lightbulb) to the right sidebar.
• Add Ideas panel UI (create/edit/delete/send).
• Persist ideas per workspace across launches.
• Reuse Prompts styling for consistency (search/filter and list).

[Dimillian]

I like the implementation, but I need to think a bit about that :)

[Dimillian]

@codex review

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. 👍

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