docs: fix and annotate research links after link check

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/research/notes/kestra.md

@@ -123,7 +123,7 @@ Community health is strong and well funded. The repo has about 30.1k GitHub star
 - 30.1k stars, 3.5k forks, 169 watchers, about 13.4k commits. The contributor count was not shown on the page — [GitHub](https://github.com/kestra-io/kestra)
 - Release cadence: roughly weekly. v2.0.4 (29 Sep), v2.0.5 (5 Oct), v2.0.6 (13 Oct), v2.0.7 (20 Oct), v2.0.8 (27 Oct), each shipped alongside a 1.3.x patch (v1.3.41 to v1.3.45) — [GitHub releases](https://github.com/kestra-io/kestra/releases)
 - 2.0 is an LTS release with one year of backported fixes. Launch post dated 8 Sep 2026 — [2.0 blog](https://kestra.io/blogs/release-2-0); [web search summary of Anna Geller's LinkedIn](https://de.linkedin.com/in/geller-anna)
-- Funding: $25M Series A on 31 Mar 2026, led by RTP Global with Alven, ISAI and Axeleo, about $36M total. Earlier: an $8M seed led by Alven (Sep 2024). Tech.eu lists €22M / €29M total, which is a currency or conversion discrepancy — [The Next Web](https://thenextweb.com/news/orchestration-platform-kestra-raises-25m); [Alven](https://alven.co/kestra-raises-8m-to-lead-the-future-of-orchestration-for-business-critical-workflows); [tech.eu](https://funding.tech.eu/companies/B53F386F-689A-4978-B511-29985B65967F)
+- Funding: $25M Series A on 31 Mar 2026, led by RTP Global with Alven, ISAI and Axeleo, about $36M total. Earlier: an $8M seed led by Alven (Sep 2024). Tech.eu lists €22M / €29M total, which is a currency or conversion discrepancy — [The Next Web](https://thenextweb.com/news/orchestration-platform-kestra-raises-25m); [Alven](https://alven.co/kestra-raises-8m-to-lead-the-future-of-orchestration-for-business-critical-workflows) (dead link as of 2026-10-30); [tech.eu](https://funding.tech.eu/companies/B53F386F-689A-4978-B511-29985B65967F)
 - Traction claims (vendor): enterprise revenue up 25x in 18 months, over 2B workflows executed in 2025, and Apple engineers among its users — [The Next Web](https://thenextweb.com/news/orchestration-platform-kestra-raises-25m); [Pulse 2.0](https://pulse2.com/kestra-25-million-raised-for-open-source-orchestration-platform-expansion/amp/)
 - Older snapshot comparison: n8n had about 184.8k stars versus Kestra's about 26.7k — [openalternative.co](https://openalternative.co/compare/kestra/vs/n8n)
 - The company is French; the CTO built the precursor at the game publisher Ankama for distributed cron jobs — [Pulse 2.0 interview](https://pulse2.com/kestra-profile-ludovic-dehon-interview/)