feat: add todo management feature; implement todo content tracking and display in the UI

Cargo.lock

@@ -812,6 +812,15 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "fluent-uri"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17c704e9dbe1ddd863da1e6ff3567795087b1eb201ce80d8fa81162e1516500d"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -1638,6 +1647,19 @@ dependencies = [
  "hashbrown 0.17.1",
 ]
 
+[[package]]
+name = "lsp-types"
+version = "0.97.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53353550a17c04ac46c585feb189c2db82154fc84b79c7a66c96c2c644f66071"
+dependencies = [
+ "bitflags 1.3.2",
+ "fluent-uri",
+ "serde",
+ "serde_json",
+ "serde_repr",
+]
+
 [[package]]
 name = "mac_address"
 version = "1.1.8"
@@ -2805,6 +2827,17 @@ dependencies = [
  "zmij",
 ]
 
+[[package]]
+name = "serde_repr"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "175ee3e80ae9982737ca543e96133087cbd9a485eecc3bc4de9c1a37b47ea59c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.118",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -4288,6 +4321,7 @@ dependencies = [
  "include_dir",
  "infer",
  "libc",
+ "lsp-types",
  "percent-encoding",
  "pulldown-cmark",
  "ratatui",