OSC8-URIs support in terminal (#54322)

Self-Review Checklist:

- [x] I've reviewed my own diff for quality, security, and reliability
- [x] Unsafe blocks (if any) have justifying comments
- [x] The content is consistent with the [UI/UX
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
- [x] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

Closes #39339 

Release Notes:

- Fixed hyperlinks in the terminal on UNIX

Cargo.lock

@@ -17771,6 +17771,7 @@ dependencies = [
  "libc",
  "log",
  "parking_lot",
+ "percent-encoding",
  "rand 0.9.3",
  "regex",
  "release_channel",

crates/terminal/Cargo.toml

@@ -43,6 +43,7 @@ url.workspace = true
 util.workspace = true
 urlencoding.workspace = true
 parking_lot.workspace = true
+percent-encoding.workspace = true
 
 [target.'cfg(windows)'.dependencies]
 windows.workspace = true

crates/terminal/src/terminal_hyperlinks.rs

@@ -138,6 +138,10 @@ pub(super) fn find_from_grid_point<T: EventListener>(
                 if let Ok(url) = Url::parse(&maybe_url_or_path) {
                     if let Ok(path) = url.to_file_path_ext(path_style) {
                         return (path.to_string_lossy().into_owned(), false, word_match);
+                    } else if let Some(path) = try_osc8_url_to_path(url)
+                        && path_style.is_posix()
+                    {
+                        return (path, false, word_match);
                     }
                 }
                 // Fallback: strip file:// prefix if URL parsing fails
@@ -154,6 +158,22 @@ pub(super) fn find_from_grid_point<T: EventListener>(
     })
 }
 
+// OSC 8 mandates that file:// URIs must be encoded as file://{host}{path}
+// We need to skip the {host} part if it's set
+fn try_osc8_url_to_path(url: url::Url) -> Option<String> {
+    use percent_encoding::percent_decode;
+    if url.scheme() != "file" {
+        return None;
+    }
+
+    let bytes = url
+        .path_segments()?
+        .skip(1)
+        .flat_map(|segment| percent_decode(segment.as_bytes()))
+        .collect::<Vec<u8>>();
+    bytes.try_into().ok()
+}
+
 fn sanitize_url_punctuation<T: EventListener>(
     url: String,
     url_match: Match,