newdrive/docs/adr

Architecture decision records

ADRs are immutable after acceptance. Supersede an earlier decision with a new ADR rather than rewriting its history.

ADR	Decision	Status
0001	PostgreSQL remains on btrfs with CoW	Accepted
0002	Opaque object IDs and same-directory promotion	Accepted
0003	Protect commits, not incomplete transfers	Accepted
0004	Single application service	Accepted
0005	HTTP precondition and conflict status codes	Accepted
0006	Stable-v1 and deferred product scope	Accepted
0007	Open first-run setup	Accepted risk
0008	Sync-capable server contract	Accepted
0009	External protocol gateway boundary	Accepted
0010	Authentication primitives and browser session policy	Accepted