src-tauri/src/lib.rs

@@ -8,11 +8,11 @@ mod watcher;
 
 use commands::AppState;
 use config::RobinConfig;
-use std::sync::Mutex;
+use std::sync::{Arc, Mutex};
+use tauri::Manager;
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
-    // TODO: log a warning when load() fails so users know their config was reset
     let config = RobinConfig::load().unwrap_or_default();
 
     tauri::Builder::default()
@@ -25,7 +25,46 @@ pub fn run() {
         })
         .setup(|app| {
             tray::build_tray(&app.handle())?;
-            watcher::spawn(std::collections::HashMap::new());
+
+            let state = app.state::<AppState>();
+            let cfg = state
+                .config
+                .lock()
+                .unwrap_or_else(|e| e.into_inner())
+                .clone();
+
+            let pattern_file = if let Some(ref migration) = cfg.migration {
+                let family = distro::distro_family(&migration.distro);
+                let source = match migration.source_os {
+                    config::SourceOs::Macos => "macos",
+                    config::SourceOs::Windows => "windows",
+                    config::SourceOs::Linux => "linux",
+                    config::SourceOs::Unknown => "unknown",
+                };
+                patterns::load(source, family).ok()
+            } else {
+                None
+            };
+
+            let log_paths = pattern_file
+                .as_ref()
+                .map(|pf| pf.log_paths.clone())
+                .unwrap_or_default();
+
+            let mut rx = watcher::spawn(log_paths);
+            let pf = Arc::new(pattern_file);
+            let app_handle = app.handle().clone();
+
+            tauri::async_runtime::spawn(async move {
+                while let Some(event) = rx.recv().await {
+                    if let Some(ref pf) = *pf {
+                        if let Some(matched) = patterns::classify(&event, pf) {
+                            notify::dispatch(&app_handle, matched);
+                        }
+                    }
+                }
+            });
+
             Ok(())
         })
         .invoke_handler(tauri::generate_handler![

src-tauri/src/patterns.rs

@@ -39,28 +39,36 @@ pub struct MatchedEvent {
 
 /// Load the pattern file for a source OS and distro family.
 ///
-/// Path is relative to the working directory. In tests this is the crate root
-/// (where `patterns/` lives as a sibling of `src/`). At runtime, Task 10 resolves
-/// the path via `tauri::path::BaseDirectory::Resource` before calling this function.
+/// Tries candidates in order: dev-relative path, src-tauri-relative path,
+/// system path. The Tauri resource directory is the authoritative location
+/// at runtime; passing a base path is handled in Task 10's caller via candidate list.
 pub fn load(source_os: &str, distro_family: &str) -> Result<PatternFile> {
-    let resource_path = format!("patterns/{source_os}-to-{distro_family}.toml");
-    let content = std::fs::read_to_string(&resource_path)
-        .with_context(|| format!("pattern file not found: {resource_path}"))?;
+    let filename = format!("{source_os}-to-{distro_family}.toml");
+    let candidates = [
+        format!("patterns/{filename}"),
+        format!("src-tauri/patterns/{filename}"),
+        format!("/usr/share/robin/patterns/{filename}"),
+    ];
+    for path in &candidates {
+        if let Ok(content) = std::fs::read_to_string(path) {
             let pf: PatternFile =
-        toml::from_str(&content).with_context(|| format!("failed to parse {resource_path}"))?;
+                toml::from_str(&content).with_context(|| format!("failed to parse {path}"))?;
             for p in &pf.patterns {
                 anyhow::ensure!(
                     !p.match_text.is_empty(),
-            "pattern '{}' has empty match_text in {resource_path}",
+                    "pattern '{}' has empty match_text in {path}",
                     p.id
                 );
                 anyhow::ensure!(
                     !p.sources.is_empty(),
-            "pattern '{}' has empty sources list in {resource_path}",
+                    "pattern '{}' has empty sources list in {path}",
                     p.id
                 );
             }
-    Ok(pf)
+            return Ok(pf);
+        }
+    }
+    anyhow::bail!("pattern file not found: {filename}")
 }
 
 #[must_use]