Findings from research sessions, preserved so future sessions (human or agent) don't start from zero. Check the dates — the Atmosphere moves fast; spot-verify anything older than a few months before leaning on it.

File	Date	Topic
`2026-07-30-ecosystem-landscape.md`	2026-07-30	Who else is building in/near this space; competitive assessment
`2026-07-30-lexicon-feasibility.md`	2026-07-30	Technical feasibility per data source; OAuth/scopes state
`2026-07-30-monetization.md`	2026-07-30	Monetization precedents in and out of the ecosystem; pricing comps
`2026-07-30-naming.md`	2026-07-30	Product name candidates and collision/domain checks
`2026-07-30-language-ecosystems.md`	2026-07-30	atproto library maturity by language (TS/Elixir/Gleam/…); OAuth client state
`2026-07-30-appview-infra.md`	2026-07-30	quickslice vs HappyView vs Tap vs Microcosm; do we need an AppView?
`2026-07-30-comparable-stacks.md`	2026-07-30	What 8 comparable atproto apps run on; custom-domain serving patterns
`2026-07-30-hosting-infra.md`	2026-07-30	Hosted infra target + cost model: Cloudflare vs VPS+Caddy vs Vercel vs Fly
`2026-07-31-lexicon-prior-art.md`	2026-07-31	Schema-design prior art: site.standard/sifa conventions; Blento/Linkat/wisp/Leaflet record models
`2026-08-03-oauth-workers-spike.md`	2026-08-03	ADR 0011 §6 spike: `@atproto/oauth-client-node` on Workers — passes with a 3-shim compat layer; blob scope answer
`2026-08-14-bluesky-protocol-services.md`	2026-08-14	Bluesky Protocol Services launch: Jetstream v2 replay (future cache candidate), `@atproto/lex` toolchain signal

Conventions: one dated file per topic, source URLs inline, and an honest "so what" at the end of each. When you re-research a topic, add a new dated file rather than editing the old one, and update this index.