fix: local date reg info for new accounts

[waifucon]

reported by nextalone in an nnngram pr: NextAlone/Nnngram#110 (comment)

dropped an hardcoded value.

before:

now:

Summary by Sourcery

Bug Fixes:

• Use the configured profile-date range when displaying registration information for new and legacy accounts instead of fixed timestamps.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Fixes local registration-date estimation for new accounts by basing boundary fallbacks on the loaded profile date range, keeping IDs and timestamps synchronized with the current data.

Flow diagram for profile registration date estimation

flowchart TD
    A[getUserTime userId] --> B{Matching profile date found?}
    B -->|Yes| C[getUserTime with matched date]
    B -->|No| D{userId <= first profile ID?}
    D -->|Yes| E[getUserTime with first profile date]
    D -->|No| F[getUserTime with last profile date]

Loading

File-Level Changes

Change	Details	Files
Derive fallback registration dates from the profile date data instead of hard-coded IDs and timestamps.	Use the first profile-date record’s ID and date for lower-bound users. Use the last profile-date record’s date for upper-bound users.	TMessagesProj/src/main/java/tw/nekomimi/nekogram/helpers/ProfileDateHelper.java

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[sourcery-ai]

Hey - I've found 1 issue

Prompt for AI Agents

Please address the comments from this code review:

## Individual Comments

### Comment 1
<location path="TMessagesProj/src/main/java/tw/nekomimi/nekogram/helpers/ProfileDateHelper.java" line_range="72" />
<code_context>
                 return getUserTime("~", dateLong);
             }
         }
-        if (userId <= 1000000) {
</code_context>
<issue_to_address>
**issue (bug_risk):** Accounts with IDs above the final JSON entry are displayed as registered after August 2025, because the final entry has date 1755628800 even though an earlier entry has the later date 1764979200. The fallback therefore does not use the latest available profile registration date for new accounts.

**Triggers:** When the account ID is greater than 8461412540.

**Suggested fix:** Use the entry with the maximum registration date for the upper-bound fallback, or ensure the profile data is ordered by date before selecting the final element.

```suggestion
        long latestDate = profileDateDataList.get(0).getDate();
        for (ProfileDateData data : profileDateDataList) {
            if (data.getDate() > latestDate) {
                latestDate = data.getDate();
            }
        }
        return getUserTime(">", latestDate * 1000L);
```
</issue_to_address>

Sourcery assessment

Approval pending. 1 finding to address first.

Blocking findings: TMessagesProj/src/main/java/tw/nekomimi/nekogram/helpers/ProfileDateHelper.java:72

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[sourcery-ai]

Sourcery assessment

Approved.