slice 1a-1d: DB + CacheRepository + YFinance adapter + AdapterQueue

Node 26 + node:sqlite backend (zero native deps; runtime glue adapted from
Bun-spec design, deep-module architecture unchanged). 29 tests green across
schema/CacheRepository/YFinance-parse/AdapterQueue-dedupe.

app/server/tsconfig.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "lib": ["ESNext"],
+    "types": ["node"],
+    "strict": true,
+    "noEmit": true,
+    "skipLibCheck": true,
+    "resolveJsonModule": true,
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "include": ["src/**/*.ts"]
+}