refactor: simplify run lifecycle and wrap dispatch

crates/openjd-cli/Cargo.toml

@@ -31,3 +31,9 @@ chrono = "0.4"
 
 [dev-dependencies]
 tempfile = "3"
+
+[target.'cfg(windows)'.dev-dependencies]
+windows = { version = "0.62", features = [
+    "Win32_Foundation",
+    "Win32_System_Console",
+] }

crates/openjd-cli/src/check.rs

@@ -5,7 +5,7 @@
 //! `openjd check` command — validate a template file.
 
 use clap::Args;
-use openjd_model::template::parse::{self, DocumentType};
+use openjd_model::template::parse;
 use std::path::PathBuf;
 
 #[derive(Args)]
@@ -21,15 +21,9 @@ pub struct CheckArgs {
 pub fn execute(args: CheckArgs) -> Result<(), Box<dyn std::error::Error>> {
     let path = &args.path;
     let content = crate::common::read_input_file(path)?;
-    let doc_type = if path.extension().and_then(|e| e.to_str()) == Some("json") {
-        DocumentType::Json
-    } else {
-        DocumentType::Yaml
-    };
-
     let template_value = parse::document_string_to_object(
         &content,
-        doc_type,
+        crate::common::document_type(path),
         &openjd_model::CallerLimits::default(),
     )?;
 

crates/openjd-cli/src/common.rs

@@ -8,6 +8,8 @@ use std::fmt;
 use std::io::Read;
 use std::path::Path;
 
+use openjd_model::template::parse::DocumentType;
+
 /// Maximum size, in bytes, of a `file://`-referenced input read by the CLI
 /// (job parameter files, task files, path-mapping rule files).
 ///
@@ -19,6 +21,15 @@ use std::path::Path;
 /// document and small enough to prevent runaway allocation.
 pub const MAX_FILE_INPUT_SIZE: u64 = 10 * 1024 * 1024;
 
+/// Infer the template document format from its filename extension.
+pub fn document_type(path: &Path) -> DocumentType {
+    if path.extension().and_then(|extension| extension.to_str()) == Some("json") {
+        DocumentType::Json
+    } else {
+        DocumentType::Yaml
+    }
+}
+
 /// Read a file's contents as a UTF-8 string, mapping I/O errors to descriptive
 /// CLI error messages and optionally enforcing a maximum file size.
 ///

crates/openjd-cli/src/help.rs

@@ -4,7 +4,7 @@
 
 //! Context-aware help for `openjd run <template> --help`.
 
-use openjd_model::template::parse::{self, DocumentType};
+use openjd_model::template::parse;
 use openjd_model::template::{JobParameterDefinition, JobTemplate};
 use std::path::Path;
 
@@ -58,14 +58,9 @@ fn generate_template_help(
     extensions_arg: Option<&str>,
 ) -> Result<String, Box<dyn std::error::Error>> {
     let content = crate::common::read_input_file(path)?;
-    let doc_type = if path.extension().and_then(|e| e.to_str()) == Some("json") {
-        DocumentType::Json
-    } else {
-        DocumentType::Yaml
-    };
     let template_value = parse::document_string_to_object(
         &content,
-        doc_type,
+        crate::common::document_type(path),
         &openjd_model::CallerLimits::default(),
     )?;