feat(tools): add filesystem tools crate with glob pattern support

- Add new tools-fs crate with read, glob, and grep utilities
- Fix glob command to support actual glob patterns (**, *) instead of just directory walking
- Rename binary from "code" to "owlen" to match package name
- Fix test to reference correct binary name "owlen"
- Add API key support to OllamaClient for authentication

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Cargo.toml

@@ -3,7 +3,7 @@ members = [
   "crates/cli",
   "crates/llm/ollama",
   "crates/config"
-]
+, "crates/tools/fs"]
 resolver = "2"
 
 [workspace.package]

crates/cli/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "code"
+name = "owlen"
 version = "0.1.0"
 edition.workspace = true
 license.workspace = true
@@ -12,6 +12,7 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 color-eyre = "0.6"
 llm-ollama = { path = "../llm/ollama" }
+tools-fs = {path = "../tools/fs"}
 config-agent = { package = "config-agent", path = "../config" }
 futures-util = "0.3.31"
 

crates/cli/src/main.rs

@@ -8,7 +8,7 @@ use std::io::{self, Write};
 #[derive(clap::Subcommand, Debug)]
 enum Cmd {
     Read {path: String},
-    Glob {root: String},
+    Glob {pattern: String},
     Grep {root: String, pattern: String},
 }
 
@@ -42,8 +42,8 @@ async fn main() -> Result<()> {
                 println!("{}", s);
                 return Ok(());
             }
-            Cmd::Glob { root } => {
-                for p in tools_fs::glob_list(&root)? {
+            Cmd::Glob { pattern } => {
+                for p in tools_fs::glob_list(&pattern)? {
                     println!("{}", p);
                 }
                 return Ok(());

crates/cli/tests/chat_stream.rs

@@ -27,7 +27,7 @@ async fn headless_streams_ndjson() {
             .body(response);
     });
 
-    let mut cmd = Command::new(assert_cmd::cargo::cargo_bin!("code"));
+    let mut cmd = Command::new(assert_cmd::cargo::cargo_bin!("owlen"));
     cmd.arg("--ollama-url").arg(server.base_url())
         .arg("--model").arg("qwen2.5")
         .arg("--print")

crates/llm/ollama/src/client.rs

@@ -8,6 +8,7 @@ use thiserror::Error;
 pub struct OllamaClient {
     http: Client,
     base_url: String,  // e.g. "http://localhost:11434"
+    api_key: Option<String>,  // For Ollama Cloud authentication
 }
 
 #[derive(Debug, Clone, Default)]
@@ -31,9 +32,15 @@ impl OllamaClient {
         Self {
             http: Client::new(),
             base_url: base_url.into().trim_end_matches('/').to_string(),
+            api_key: None,
         }
     }
 
+    pub fn with_api_key(mut self, api_key: impl Into<String>) -> Self {
+        self.api_key = Some(api_key.into());
+        self
+    }
+
     pub fn with_cloud() -> Self {
         // Same API, different base
         Self::new("https://ollama.com")
@@ -52,7 +59,14 @@ impl OllamaClient {
         }
         let url = format!("{}/api/chat", self.base_url);
         let body = Body {model: &opts.model, messages, stream: true};
-        let resp = self.http.post(url).json(&body).send().await?;
+        let mut req = self.http.post(url).json(&body);
+
+        // Add Authorization header if API key is present
+        if let Some(ref key) = self.api_key {
+            req = req.header("Authorization", format!("Bearer {}", key));
+        }
+
+        let resp = req.send().await?;
         let bytes_stream = resp.bytes_stream();
 
         // NDJSON parser: split by '\n', parse each as JSON and stream the results

crates/tools/fs/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "tools-fs"
+version = "0.1.0"
+edition.workspace = true
+license.workspace = true
+rust-version.workspace = true
+
+[dependencies]
+ignore = "0.4"
+walkdir = "2.5"
+globset = "0.4"
+grep-regex = "0.1"
+grep-searcher = "0.1"
+color-eyre = "0.6"
+tempfile = "3.23.0"

crates/tools/fs/src/lib.rs

@@ -0,0 +1,77 @@
+use color_eyre::eyre::Result;
+use ignore::WalkBuilder;
+use grep_regex::RegexMatcher;
+use grep_searcher::{sinks::UTF8, SearcherBuilder};
+use globset::Glob;
+
+pub fn read_file(path: &str) -> Result<String> {
+    Ok(std::fs::read_to_string(path)?)
+}
+
+pub fn glob_list(pattern: &str) -> Result<Vec<String>> {
+    let glob = Glob::new(pattern)?.compile_matcher();
+
+    // Extract the literal prefix to determine the root directory
+    let root = pattern
+        .split("**")
+        .next()
+        .and_then(|s| {
+            let trimmed = s.trim_end_matches('/');
+            if trimmed.is_empty() { None } else { Some(trimmed) }
+        })
+        .unwrap_or(".");
+
+    let mut out = Vec::new();
+    for result in WalkBuilder::new(root)
+        .standard_filters(true)
+        .git_ignore(true)
+        .git_global(false)
+        .git_exclude(false)
+        .require_git(false)
+        .build()
+    {
+        let entity = result?;
+        if entity.file_type().map(|filetype| filetype.is_file()).unwrap_or(false) {
+            if let Some(path) = entity.path().to_str() {
+                // Match against the glob pattern
+                if glob.is_match(path) {
+                    out.push(path.to_string());
+                }
+            }
+        }
+    }
+    Ok(out)
+}
+
+pub fn grep(root: &str, pattern: &str) -> Result<Vec<(String, usize, String)>> {
+    let matcher = RegexMatcher::new_line_matcher(pattern)?;
+    let mut searcher = SearcherBuilder::new().line_number(true).build();
+
+    let mut results = Vec::new();
+    for result in WalkBuilder::new(root)
+        .standard_filters(true)
+        .git_ignore(true)
+        .git_global(false)
+        .git_exclude(false)
+        .require_git(false)
+        .build()
+    {
+        let entity = result?;
+        if !entity.file_type().map(|filetype| filetype.is_file()).unwrap_or(false) { continue; }
+        let path = entity.path().to_path_buf();
+        let mut line_hits: Vec<(usize, String)> = Vec::new();
+        let sink = UTF8(|line_number, line| {
+            line_hits.push((line_number as usize, line.to_string()));
+            Ok(true)
+        });
+        let _ = searcher.search_path(&matcher, &path, sink);
+        if !line_hits.is_empty() {
+            let p = path.to_string_lossy().to_string();
+            for (line_number, text) in line_hits {
+                results.push((p.clone(), line_number, text));
+            }
+        }
+    }
+
+    Ok(results)
+}

crates/tools/fs/tests/fs_tools.rs

@@ -0,0 +1,28 @@
+use tools_fs::{read_file, glob_list, grep};
+use std::fs;
+use tempfile::tempdir;
+
+#[test]
+fn read_and_glob_respect_gitignore() {
+    let dir = tempdir().unwrap();
+    let root = dir.path();
+    fs::write(root.join("a.txt"), "hello").unwrap();
+    fs::create_dir(root.join("secret")).unwrap();
+    fs::write(root.join("secret/secret.txt"), "token=123").unwrap();
+    fs::write(root.join(".gitignore"), "secret/\n").unwrap();
+
+    let files = glob_list(root.to_str().unwrap()).unwrap();
+    assert!(files.iter().any(|p| p.ends_with("a.txt")));
+    assert!(!files.iter().any(|p| p.contains("secret.txt")));
+    assert_eq!(read_file(root.join("a.txt").to_str().unwrap()).unwrap(), "hello");
+}
+
+#[test]
+fn grep_finds_lines() {
+    let dir = tempdir().unwrap();
+    let root = dir.path();
+    fs::write(root.join("a.rs"), "fn main() { println!(\"hello\"); }").unwrap();
+
+    let hits = grep(root.to_str().unwrap(), "hello").unwrap();
+    assert!(hits.iter().any(|(_p, _ln, text)| text.contains("hello")));
+}