Add resource-checked extraction worker and bounded parent process owner

Cargo.lock

@@ -2264,6 +2264,7 @@ name = "searchi-core"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "libc",
  "lopdf",
  "quick-xml",
  "rusqlite",
@@ -2273,6 +2274,19 @@ dependencies = [
  "sha2 0.10.9",
  "tempfile",
  "walkdir",
+ "windows-sys 0.61.2",
+ "zip",
+]
+
+[[package]]
+name = "searchi-extract-worker"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "libc",
+ "searchi-core",
+ "serde_json",
+ "windows-sys 0.61.2",
  "zip",
 ]