Add debug logging for legacy configuration migration details

[msanatan]

Should help surface failures, like the user on Discord is experiencing
Ref: https://discord.com/channels/1330955894296543364/1403545713899737099/1449944975486877738

Summary by CodeRabbit

• Chores
  • Added detailed debug logging for migration operations when errors occur.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

Walkthrough

Adds debug logging to output migration summary messages when failures or incomplete successes are detected during legacy server source migration. Debug logs are printed within the existing failure condition before the existing warning and early return logic.

Changes

Cohort / File(s)	Summary
Migration Logging Enhancement MCPForUnity/Editor/Migrations/LegacyServerSrcMigration.cs	Adds detailed debug logging of migration messages when failures or zero successes are detected, improving diagnostics during migration failures.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A migration's tale, now logged with care,
Debug messages float through the debug-filled air,
When failures appear, we'll trace every clue,
Hop-hop-logging paths—transparent and true! 🌟

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Add debug logging for legacy configuration migration details' accurately describes the main change: adding debug logging to the LegacyServerSrcMigration.cs file to help reveal migration failures.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 8fe73be and 5668d40.

📒 Files selected for processing (1)

• MCPForUnity/Editor/Migrations/LegacyServerSrcMigration.cs (1 hunks)

🧰 Additional context used

🧬 Code graph analysis (1)

MCPForUnity/Editor/Migrations/LegacyServerSrcMigration.cs (1)

MCPForUnity/Editor/Helpers/McpLog.cs (2)

• McpLog (7-52)
• Debug (31-35)

🔇 Additional comments (1)

MCPForUnity/Editor/Migrations/LegacyServerSrcMigration.cs (1)

47-54: The code is correct; no null handling issue exists.

The debug logging implementation is appropriate and provides helpful diagnostic information when troubleshooting migration issues. The use of McpLog.Debug is suitable for detailed diagnostics that users can enable when needed, while the existing warning on line 55 ensures basic failure information is always visible.

The original concern about summary potentially being null is unfounded. The ConfigureAllDetectedClients() method is guaranteed to return a non-null ClientConfigurationSummary object—it always instantiates new ClientConfigurationSummary() and never returns null. The null check for summary.Messages at line 47 is still appropriate defensive programming, as the Messages collection itself could be null or empty.

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