fix(NPC): refresh message contact info on first load

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Summary

Fixes #320.

On 0.4.7f6, MSGConversation renders the first-load contact name and portrait from MessageContactInfo. The legacy NPC constructor and later Icon assignment updated S1API's NPC data and old UI image paths but left that sender value stale. RefreshMessagingIcons() now updates the sender metadata and asks the native conversation to refresh its entry, preserving its existing visibility and relationship flags.

Reproduction and validation

• Baseline beta/3.2.1-beta.5 (39be958), IL2CPP build 25439817, S1MAPI 2.0.0: first-load legacy and borrowed-icon contacts had blank native sender names; the borrowed contact's sender icon was appicon_contacts even though S1API reported Lily_Mugshot.
• With this change, the first-load native conversation and actual Messages entry fields read Legacy Repro / appicon_contacts, Modern Repro / appicon_contacts, and Borrowed Repro / Lily_Mugshot. A separate Mono beta build 25439857 live run showed the same corrected entry fields.
• MonoMelon: restore/build and 724/724 host tests passed. Il2CppMelon: restore/build and 710/710 host tests passed. Both configurations were restored and built sequentially. The live probe used a completed save, sent one message per contact, returned to Menu, and loaded the same save; disposable probe DLLs and MAPI copy were removed from the test installs afterward.

Compatibility

No public or protected API signatures, persistent IDs, save format, or network payloads change. Existing sender visibility and relationship display flags are carried over. The change updates only stale native conversation presentation metadata.

Summary by CodeRabbit

• Bug Fixes
  • Conversation contacts now reflect an NPC’s current name and icon. Known-sender status and relationship display settings are preserved when the contact information updates.

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📝 Walkthrough

Walkthrough

RefreshMessagingIcons now synchronizes conversation sender metadata with the NPC’s current name and icon before updating icon rectangles.

Changes

Contact metadata refresh

Layer / File(s)	Summary
Synchronize sender metadata S1API/Entities/NPC.cs	When the contact name is non-empty and the sender name or icon differs, the method replaces the sender metadata, preserves its display flags, and updates its known status. Under Mono, reflection failures cause an early return.

Priority: ➖ Normal

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix · Severity of issue fixed: Medium

Suggested reviewers: hazds

Merge Risk: 🔵 Low · up to d3008

On a Mono sender-reflection failure, contact icons can remain stale. This is a bounded risk that should be addressed or accepted before merging.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ 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%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 1 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the fix and the affected NPC message contact information. It matches the main change in the pull request.
Description check	✅ Passed	The description explains the issue, implementation outcome, compatibility impact, and validation results for Mono and IL2CPP. It does not use the template's separate Validation, Runtime evidence, or D…
Linked Issues check	✅ Passed	PR #322 addresses issue #320. NPC.RefreshMessagingIcons() now reads the current full contact name and icon, replaces the conversation sender metadata when either value changes, preserves the sender …
Out of Scope Changes check	✅ Passed	The reviewed change is limited to S1API/Entities/NPC.cs and supports the first-load contact name and icon behavior in issue #320. It preserves existing relationship flags and does not change public …

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Actionable comments posted: 1

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Inline comments:
In `@S1API/Entities/NPC.cs`:
- Line 1440: Move the `entryRect` and `containerRect` resolution and
`TryApplyIconToRect` calls in `RefreshMessagingIcons()` before sender reflection
and synchronization, after confirming the conversation is non-null. Preserve the
existing rectangle resolution and icon application behavior so reflection
failures cannot skip the updates.

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Reviewing files that changed from the base of the PR and between 39be958 and d3008c4.

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• S1API/Entities/NPC.cs

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[ifBars]

Addressed the docstring coverage warning in 2ced782 by adding XML documentation to RefreshMessagingIcons.