Refactor project configuration to use .json format

- Replaced the legacy .json5 project file with a new .json format for `plugin.project.json`.
- Updated `build.rs` to prioritize the new .json format while maintaining backward compatibility with .json5.
- Made adjustments to the Confirming.lua file to enhance UI consistency.
- Improved metadata handling in snapshot middleware to support both modern and legacy file extensions.

build.rs

@@ -74,8 +74,19 @@ fn main() -> Result<(), anyhow::Error> {
 
     let template_snapshot = snapshot_from_fs_path(&templates_dir)?;
 
+    // Try modern .json5 extension first, fall back to legacy .json
+    let plugin_project_path = {
+        let json5_path = root_dir.join("plugin.project.json5");
+        let json_path = root_dir.join("plugin.project.json");
+        if json5_path.exists() {
+            json5_path
+        } else {
+            json_path
+        }
+    };
+
     let plugin_snapshot = VfsSnapshot::dir(hashmap! {
-        "default.project.json5" => snapshot_from_fs_path(&root_dir.join("plugin.project.json5"))?,
+        "default.project.json5" => snapshot_from_fs_path(&plugin_project_path)?,
         "plugin" => VfsSnapshot::dir(hashmap! {
             "fmt" => snapshot_from_fs_path(&plugin_dir.join("fmt"))?,
             "http" => snapshot_from_fs_path(&plugin_dir.join("http"))?,

plugin/src/App/StatusPages/Confirming.lua

@@ -327,18 +327,18 @@ function ConfirmingPage:render()
 					self:setState({ showingAcceptConfirm = false })
 				end,
 			}, {
-				Content = e("Frame", {
-					Size = UDim2.fromScale(1, 1),
-					BackgroundColor3 = theme.Background2,
-					BorderSizePixel = 0,
-				}, {
-					Message = e("TextLabel", {
-						Text = string.format(
-							"%d item%s not been reviewed.\n\nAccept selected changes and skip the rest?",
-							self.state.unselectedCount,
-							self.state.unselectedCount == 1 and " has" or "s have"
-						),
-						FontFace = theme.Font.Regular,
+			Content = e("Frame", {
+				Size = UDim2.fromScale(1, 1),
+				BackgroundColor3 = theme.BackgroundColor,
+				BorderSizePixel = 0,
+			}, {
+				Message = e("TextLabel", {
+					Text = string.format(
+						"%d item%s not been reviewed.\n\nAccept selected changes and skip the rest?",
+						self.state.unselectedCount,
+						self.state.unselectedCount == 1 and " has" or "s have"
+					),
+					FontFace = theme.Font.Main,
 						TextSize = theme.TextSize.Body,
 						TextColor3 = theme.TextColor,
 						TextWrapped = true,

src/snapshot_middleware/mod.rs

@@ -133,9 +133,11 @@ fn get_dir_middleware<'path>(
             (Middleware::LegacyScriptDir, "init.legacy.luau"),
             (Middleware::CsvDir, "init.csv"),
             // Legacy extensions (for backwards compatibility)
+            // init.server.lua → Script with RunContext.Legacy (old emitLegacyScripts behavior)
+            // init.client.lua → LocalScript (old emitLegacyScripts behavior)
             (Middleware::ModuleScriptDir, "init.lua"),
-            (Middleware::ServerScriptDir, "init.server.lua"),
-            (Middleware::ClientScriptDir, "init.client.lua"),
+            (Middleware::LegacyScriptDir, "init.server.lua"),
+            (Middleware::LocalScriptDir, "init.client.lua"),
         ]
     });
 
@@ -431,8 +433,12 @@ pub fn default_sync_rules() -> &'static [SyncRule] {
             sync_rule!("*.model.json5", JsonModel, ".model.json5"),
             sync_rule!("*.json5", Json, ".json5", "*.meta.json5"),
             // Legacy Lua extensions (for backwards compatibility)
-            sync_rule!("*.server.lua", ServerScript, ".server.lua"),
-            sync_rule!("*.client.lua", ClientScript, ".client.lua"),
+            // .server.lua → Script with RunContext.Legacy (old emitLegacyScripts behavior)
+            // .client.lua → LocalScript (old emitLegacyScripts behavior)
+            // .plugin.lua → Script with RunContext.Plugin
+            sync_rule!("*.server.lua", LegacyScript, ".server.lua"),
+            sync_rule!("*.client.lua", LocalScript, ".client.lua"),
+            sync_rule!("*.plugin.lua", PluginScript, ".plugin.lua"),
             sync_rule!("*.lua", ModuleScript),
             // Legacy JSON extensions (for backwards compatibility)
             sync_rule!("*.project.json", Project, ".project.json"),

src/syncback/file_names.rs

@@ -38,7 +38,9 @@ pub fn name_for_inst<'old>(
             | Middleware::CsvDir
             | Middleware::ServerScriptDir
             | Middleware::ClientScriptDir
-            | Middleware::ModuleScriptDir => {
+            | Middleware::ModuleScriptDir
+            | Middleware::LocalScriptDir
+            | Middleware::LegacyScriptDir => {
                 let name = if encode_invalid_chars {
                     let encoded = encode_path_name(&new_inst.name);
                     // Validate for issues not fixed by encoding (trailing space/dot, control chars, reserved names)

src/syncback/snapshot.rs

@@ -306,7 +306,14 @@ impl<'sync> SyncbackSnapshot<'sync> {
 
 pub fn filter_out_property(inst: &Instance, prop_name: &str) -> bool {
     match inst.class.as_str() {
-        "Script" | "LocalScript" | "ModuleScript" => {
+        "Script" => {
+            // These properties shouldn't be set by scripts that are created via
+            // `$path` or via being on the file system.
+            // RunContext is filtered because it's encoded in the file extension:
+            // .server.luau → Server, .client.luau → Client, .plugin.luau → Plugin, .legacy.luau → Legacy
+            prop_name == "Source" || prop_name == "ScriptGuid" || prop_name == "RunContext"
+        }
+        "LocalScript" | "ModuleScript" => {
             // These properties shouldn't be set by scripts that are created via
             // `$path` or via being on the file system.
             prop_name == "Source" || prop_name == "ScriptGuid"