docs(spikes): Deno 2.9.7 + TS 7 compatibility spike and ADR-004

Co-Authored-By: Claude Fable 5.1 <[email protected]>

spikes/deno/logs/kysely.txt

@@ -0,0 +1,14 @@
+pg migrate: ["0001_init:Success","0002_index:Success"] error: null
+pg rows: string:1/Dune/{"q":"1080p"}/true string:2/Arrival/null/true
+pg tx error -> rollback
+pg titles after tx: Dune,Arrival,tx-ok
+pg 50 parallel queries on pool=4: 158ms
+pg destroyed cleanly
+exit=0
+postgresjs migrate: ["0001_init:Success","0002_index:Success"] error: null
+postgresjs rows: string:1/Dune/"{\"q\":\"1080p\"}"/true string:2/Arrival/null/true
+postgresjs tx error -> rollback
+postgresjs titles after tx: Dune,Arrival,tx-ok
+postgresjs 50 parallel queries on pool=4: 170ms
+postgresjs destroyed cleanly
+exit=0