improvement(audits): ratchet explicit any and non-null assertions per file

check:explicit-any runs Biome's noExplicitAny and noNonNullAssertion rules
(off repo-wide) and fails when a file's count rises or drops without a
baseline update.

Author: waleedlatif1

package.json

@@ -82,6 +82,7 @@
     "check:desktop-ipc": "bun run scripts/check-desktop-ipc-contract.ts",
     "check:route-verbs": "bun run scripts/check-route-verbs.ts",
     "check:unused-exports": "bun run scripts/check-unused-exports.ts",
+    "check:explicit-any": "bun run scripts/check-explicit-any.ts",
     "desktop-bridge-contract:update": "bun run scripts/check-desktop-bridge-contract.ts --update",
     "mship-contracts:generate": "bun run scripts/sync-mothership-stream-contract.ts",
     "mship-contracts:check": "bun run scripts/sync-mothership-stream-contract.ts --check",