Changelog

• 34fb118 chore: add issue templates + PR template for structured feedback
• 825e4f8 chore: remove internal dev artifacts from tracking
• a7d5ea2 feat: align all 94 extractors with restored Python source
• 3b5b749 feat: deep alignment pass for 38 extractors
• 3a063ea feat: final alignment - gaotu/smartedu/chaoxing/icve/plaso/ahu/nmkjxy/luffycity
• f13839f feat: whiteboard rendering for eoffcn/cctalk/houdu/mddclass (shared/whiteboard.go)
• 74f10dd fix: add missing domains for gaotu (naiyouxuexi) and xiaoetech (h5.xiaoeknow wildcard)
• 168fda9 fix: cctalk video resolution - early return on findMediaURL, fix float64 textValue, remove hasDownloadableResource gate
• 6c556dc fix: code review fixes across all extractors
• 4420c35 fix: deep code review - bug fixes across all extractors
• 46699ee fix: icourse163 CSRF from cookie, cctalk float64 textValue, cookie-from-browser WSL Python path
• 50116e9 refactor: rename medigo → mediago globally (module, binary, CLI, docs)
• 226232a release: v0.1.0 — new banner, release binaries, updated install docs