Where the session stopped, and what is still in the air

FIX.org

@@ -381,3 +381,26 @@ now the package's rather than a test program's.
 Still not built, still item 9 on docs/PORTING.md's list: [(read-edn T bytes)],
 the typed half. It wants a compile-time walk over a struct's fields and there
 is no run-time type information to do it with at run time.
+
+* Session close, 2026-09-20 — dynamic-first M1 landed
+Merged on dev-loop, all green (dune test --force 0 failures, @x86 130 match,
+@sanitize clean): the dyn type (unannotated defn params/returns are dyn,
+NaN-boxed runtime, mark-sweep GC, --no-gc refuses residual dyn by location),
+the provider macros (defedn/defjson off macro-slurp; NEXT.md item 9 closed),
+computed global initialisers on both backends, x86 frame pushes (inspector
+works under the x86 default), the !-suffix retirement, and the flan-dev→flan
+rename. typed-flan branch freezes the static language pre-dyn.
+
+** Still in flight, worktree branches to merge when they report
+- x86 dyn lowering + the x86/LLVM invoke-restart divergence (one lane, two
+  commits) — the author is waiting on this one to start playing.
+- The writable inspector (SLY-style set + editable render buffer).
+- docs/SPIKE-DUPLICITY.md, the dyn/native boundary audit (report only).
+
+** Open, author's call
+- sand.flan holds uncommitted WIP: a defvar initialiser reading game-data.edn
+  at startup aborts the headless import (unhandled FileError at the test's
+  CWD). Options on the table: embed, handler-bind fallback, or harness dep.
+- Signature pairing's cold-rebuild edge: a later type definition can silently
+  re-pair an unannotated parameter vector; a changed-pairing warning between
+  compiles was proposed and not yet queued.