[feat] modularized backend with plugin architecture, added module-api, module-host, and summarizer crates, and integrated dynamic module loading into main.rs

backend-rust/Cargo.lock

@@ -797,6 +797,12 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
+[[package]]
+name = "hermit-abi"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -1191,6 +1197,16 @@ version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
+[[package]]
+name = "libloading"
+version = "0.8.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07033963ba89ebaf1584d767badaa2e8fcec21aedea6b8c0346d487d49c28667"
+dependencies = [
+ "cfg-if",
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "libm"
 version = "0.2.15"
@@ -1436,6 +1452,16 @@ dependencies = [
  "libm",
 ]
 
+[[package]]
+name = "num_cpus"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91df4bbde75afed763b708b7eee1e8e7651e02d97f6d5dd763e89367e957b23b"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
 [[package]]
 name = "object"
 version = "0.36.7"
@@ -1506,7 +1532,10 @@ name = "owly-news"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "num_cpus",
  "owly-news-api",
+ "owly-news-module-host",
+ "serde_json",
  "tokio",
  "tracing",
  "tracing-subscriber",
@@ -1535,6 +1564,39 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "owly-news-module-api"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "owly-news-module-host"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "libloading",
+ "once_cell",
+ "owly-news-module-api",
+ "serde",
+ "serde_json",
+ "tokio",
+ "tracing",
+]
+
+[[package]]
+name = "owly-news-module-summarizer"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "owly-news-module-api",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "parking"
 version = "2.2.1"