[SimEdit]: Allow editing simulations from Simulation Details

[tomvothecoder]

Description

Truncate overflowing simulation detail fields, preserve the full values on hover, and wire the simulation details page to the edit/save flow.

Closes #70

• Added truncation and hover titles to long read-only fields.
• Kept full IDs and repository URLs available through hover text and copy actions.
• Updated the simulation edit flow and backend tests for the metadata update path.

Checklist

• Code follows project style guidelines
• Self-reviewed code
• No new warnings
• Tests added or updated (if needed)
• All tests pass (locally and CI/CD)
• Documentation/comments updated (if needed)
• Breaking change noted (if applicable)

Deployment Notes (if any)

[chatgpt-codex-connector]

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[Copilot]

Pull request overview

Key Findings

• The v1 “editable fields” implemented in both frontend and backend omit several
  fields listed as editable in Issue #70 (notably compiler and git provenance
  fields), which is a scope/acceptance-criteria mismatch for a PR that closes
  #70. (See comments in SimulationUpdate + EDITABLE_FIELDS.)
• Frontend API typing now includes simulationType: 'master', but the backend
  SimulationType enum does not, creating an API contract drift that can lead
  to 422s if the UI ever sends that value.
• Backend PATCH currently mutates updated_at/last_updated_by even for an empty
  PATCH body; this should be treated as a no-op.

This PR adds a narrow edit/save flow to the Simulation Details page, improves
read-only field display via truncation + hover titles, and introduces a backend
PATCH endpoint to persist allowed metadata updates for existing simulations.

Changes:

• Added backend PATCH /simulations/{id} with a new SimulationUpdate schema
  and associated API/schema tests.
• Wired Simulation Details page to an edit mode (form state + save/cancel) and
  compare selection toggle with a max selection limit.
• Improved UI display for long read-only fields via truncation and hover titles.

Reviewed changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
frontend/src/types/simulation.ts	Introduces typed status/type unions and a SimulationUpdate payload type.
frontend/src/features/simulations/SimulationsPage.tsx	Extends type/status color mappings for new enum values.
frontend/src/features/simulations/SimulationDetailsPage.tsx	Adds save flow, local simulation state, and compare toggle wiring.
frontend/src/features/simulations/routes.tsx	Passes compare-selection state into details route.
frontend/src/features/simulations/components/SimulationTypeBadge.tsx	Updates the “unknown” label text.
frontend/src/features/simulations/components/SimulationDetailsView.tsx	Adds editable form UI/state, save/cancel controls, and truncating readonly components.
frontend/src/features/simulations/api/api.ts	Adds updateSimulation() PATCH client method.
frontend/src/components/shared/SimulationStatusBadge.tsx	Expands supported statuses and normalizes display logic.
backend/tests/features/simulation/test_schemas.py	Adds validation coverage for the new SimulationUpdate schema.
backend/tests/features/simulation/test_api.py	Adds API coverage for simulation PATCH behavior and auth/error cases.
backend/app/features/simulation/schemas.py	Adds SimulationUpdate schema (extra-forbid, partial fields).
backend/app/features/simulation/api.py	Adds PATCH endpoint and refactors simulation detail query helper.