Update documentation with Phase 3 Action 1 findings

PROGRESS_LOG.md

@@ -54,7 +54,14 @@ This document chronicles the key steps, findings, and decisions made during the
 *   **Findings:** While intelligent polling is a valuable concept for API management, it does not offer a viable path to a sustainable, quota-friendly solution for *continuous, real-time YouTube Live Chat using the official API*. Its application to `pytchat` is also not directly beneficial as `pytchat` already adapts its polling based on YouTube's internal signals.
 *   **Conclusion:** Not a primary solution for continuous chat fetching using the official API; not directly beneficial for `pytchat`.
 
+## Phase 3: Community Solutions and Open-Source Projects
+
+### Action 1: GitHub/GitLab Search (Targeted `taizan-hokuto`)
+*   **Investigation:** Searched for projects related to `pytchat` mentions by `taizan-hokuto` (original author).
+*   **Findings:** The original `pytchat` repository on GitHub (`https://github.com/taizan-hokuto/pytchat`) is publicly archived and no longer maintained by the author. No new active forks or related projects by the original author were immediately identified through this targeted search.
+*   **Conclusion:** Confirmed `pytchat`'s archived status; no direct new leads from `taizan-hokuto`.
+
 ## Next Steps
 
-*   Proceed with "Community Solutions and Open-Source Projects" as outlined in `DEVELOPMENT_PLAN.md`.
-*   Continue with other phases of the revised research plan, keeping the compliance and fragility risks of `pytchat` in mind.
+*   Proceed with "GitHub/GitLab Search (General)" as outlined in `DEVELOPMENT_PLAN.md`.
+*   Continue with other phases of the revised research plan, keeping the compliance and fragility risks of `pytchat` in mind.