feat: stats and achievements (#45)

### Explanation

_No response_

### Issue

Closes #39

### Attestations

- [ ] I have read and agree to the [Code of Conduct](https://docs.nhcarrigan.com/community/coc/)
- [ ] I have read and agree to the [Community Guidelines](https://docs.nhcarrigan.com/community/guide/).
- [ ] My contribution complies with the [Contributor Covenant](https://docs.nhcarrigan.com/dev/covenant/).

### Dependencies

- [ ] I have pinned the dependencies to a specific patch version.

### Style

- [ ] I have run the linter and resolved any errors.
- [ ] My pull request uses an appropriate title, matching the conventional commit standards.
- [ ] My scope of feat/fix/chore/etc. correctly matches the nature of changes in my pull request.

### Tests

- [ ] My contribution adds new code, and I have added tests to cover it.
- [ ] My contribution modifies existing code, and I have updated the tests to reflect these changes.
- [ ] All new and existing tests pass locally with my changes.
- [ ] Code coverage remains at or above the configured threshold.

### Documentation

_No response_

### Versioning

_No response_

Reviewed-on: #45
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

src-tauri/Cargo.lock

@@ -442,8 +442,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fac4744fb15ae8337dc853fee7fb3f4e48c0fbaa23d0afe49c447b4fab126118"
 dependencies = [
  "iana-time-zone",
+ "js-sys",
  "num-traits",
  "serde",
+ "wasm-bindgen",
  "windows-link 0.2.1",
 ]
 
@@ -1411,6 +1413,7 @@ checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 name = "hikari-desktop"
 version = "0.1.0"
 dependencies = [
+ "chrono",
  "parking_lot",
  "serde",
  "serde_json",

src-tauri/Cargo.toml

@@ -26,6 +26,7 @@ tauri-plugin-store = "2.4.2"
 tauri-plugin-notification = "2"
 tauri-plugin-os = "2"
 tempfile = "3"
+chrono = { version = "0.4.43", features = ["serde"] }
 
 [target.'cfg(windows)'.dependencies]
 windows = { version = "0.62", features = [

src-tauri/src/achievements.rs

@@ -0,0 +1,808 @@
+use serde::{Deserialize, Serialize};
+use std::collections::HashSet;
+use chrono::{DateTime, Utc, Timelike, Datelike};
+use tauri_plugin_store::StoreExt;
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
+pub enum AchievementId {
+    // Token Milestones
+    FirstSteps,      // 1,000 tokens
+    GrowingStrong,   // 10,000 tokens
+    BlossomingCoder, // 100,000 tokens
+    TokenMaster,     // 1,000,000 tokens
+
+    // Code Generation
+    HelloWorld,      // First code block
+    CodeWizard,      // 100 code blocks
+    ThousandBlocks,  // 1,000 code blocks
+
+    // File Operations
+    FileManipulator, // 10 files edited
+    FileArchitect,   // 100 files edited
+
+    // Conversation milestones
+    ConversationStarter, // 10 messages
+    ChattyKathy,     // 100 messages
+    Conversationalist, // 1,000 messages
+
+    // Tool usage
+    Toolsmith,       // 5 different tools
+    ToolMaster,      // 10 different tools
+
+    // Time-based achievements
+    EarlyBird,       // Started session 5-7 AM
+    NightOwl,        // Coding after midnight
+    AllNighter,      // Worked 2-5 AM
+    WeekendWarrior,  // Coding on weekend
+    DedicatedDeveloper, // 30 days in a row
+
+    // Search and exploration
+    Explorer,        // 50 searches
+    MasterSearcher,  // 500 searches
+
+    // Session achievements
+    QuickSession,    // Productive session < 5 min
+    FocusedWork,     // 30 min session
+    DeepDive,        // 2 hour session
+    MarathonSession, // 5+ hour session
+
+    // Special achievements
+    FirstMessage,    // First message sent
+    FirstTool,       // First tool used
+    FirstCodeBlock,  // First code generated
+    FirstFileEdit,   // First file edit
+    Polyglot,        // 5+ languages in one session
+    SpeedCoder,      // 10 code blocks in 10 minutes
+    ClaudeConnoisseur, // Used all Claude models
+    MarathonCoder,   // 10k tokens in one session
+
+    // Relationship & Greetings
+    GoodMorning,     // Say "good morning"
+    GoodNight,       // Say "good night" or "goodnight"
+    ThankYou,        // Say "thank you" or "thanks"
+    LoveYou,         // Say "love you" or "ily"
+
+    // Personality & Fun
+    EmojiUser,       // Use an emoji in a message
+    QuestionMaster,  // Use "?" in 20 messages
+    CapsLock,        // Send a message in ALL CAPS
+    PleaseAndThankYou, // Use "please" in messages
+
+    // Git & Development
+    GitGuru,         // Use git commands 10 times
+    TestWriter,      // Create test files
+    Debugger,        // Fix bugs (messages with "fix", "bug", "error")
+
+    // Tool Mastery
+    BashMaster,      // Use Bash tool 50 times
+    FileExplorer,    // Use Read tool 100 times
+    SearchExpert,    // Use Grep tool 50 times
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Achievement {
+    pub id: AchievementId,
+    pub name: String,
+    pub description: String,
+    pub icon: String,
+    pub unlocked_at: Option<DateTime<Utc>>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct AchievementProgress {
+    pub unlocked: HashSet<AchievementId>,
+    pub newly_unlocked: Vec<AchievementId>, // Achievements unlocked but not yet notified
+    #[serde(skip)]
+    pub session_start: Option<DateTime<Utc>>,
+}
+
+impl AchievementProgress {
+    pub fn new() -> Self {
+        Self {
+            unlocked: HashSet::new(),
+            newly_unlocked: Vec::new(),
+            session_start: None,
+        }
+    }
+
+    pub fn unlock(&mut self, achievement: AchievementId) -> bool {
+        if self.unlocked.insert(achievement.clone()) {
+            self.newly_unlocked.push(achievement);
+            true
+        } else {
+            false
+        }
+    }
+
+    #[cfg(test)]
+    pub fn take_newly_unlocked(&mut self) -> Vec<AchievementId> {
+        std::mem::take(&mut self.newly_unlocked)
+    }
+
+    #[cfg(test)]
+    pub fn is_unlocked(&self, achievement: &AchievementId) -> bool {
+        self.unlocked.contains(achievement)
+    }
+
+    pub fn start_session(&mut self) {
+        self.session_start = Some(Utc::now());
+    }
+}
+
+impl Default for AchievementProgress {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+pub fn get_achievement_info(id: &AchievementId) -> Achievement {
+    match id {
+        // Token Milestones
+        AchievementId::FirstSteps => Achievement {
+            id: id.clone(),
+            name: "First Steps!".to_string(),
+            description: "Used 1,000 tokens".to_string(),
+            icon: "🌱".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::GrowingStrong => Achievement {
+            id: id.clone(),
+            name: "Growing Strong!".to_string(),
+            description: "Used 10,000 tokens".to_string(),
+            icon: "🌸".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::BlossomingCoder => Achievement {
+            id: id.clone(),
+            name: "Blossoming Coder!".to_string(),
+            description: "Used 100,000 tokens".to_string(),
+            icon: "🌺".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::TokenMaster => Achievement {
+            id: id.clone(),
+            name: "Token Master!".to_string(),
+            description: "Used 1,000,000 tokens".to_string(),
+            icon: "🌟".to_string(),
+            unlocked_at: None,
+        },
+
+        // Code Generation
+        AchievementId::HelloWorld => Achievement {
+            id: id.clone(),
+            name: "Hello World!".to_string(),
+            description: "Generated your first code block".to_string(),
+            icon: "📝".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::CodeWizard => Achievement {
+            id: id.clone(),
+            name: "Code Wizard!".to_string(),
+            description: "Generated 100 code blocks".to_string(),
+            icon: "🎯".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::ThousandBlocks => Achievement {
+            id: id.clone(),
+            name: "Thousand Blocks".to_string(),
+            description: "1,000 code blocks! You're a code machine!".to_string(),
+            icon: "🏗️".to_string(),
+            unlocked_at: None,
+        },
+
+        // File Operations
+        AchievementId::FileManipulator => Achievement {
+            id: id.clone(),
+            name: "File Manipulator".to_string(),
+            description: "Edited 10 files".to_string(),
+            icon: "📝".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::FileArchitect => Achievement {
+            id: id.clone(),
+            name: "File Architect".to_string(),
+            description: "Created or edited 100 files".to_string(),
+            icon: "🏛️".to_string(),
+            unlocked_at: None,
+        },
+
+        // Conversation milestones
+        AchievementId::ConversationStarter => Achievement {
+            id: id.clone(),
+            name: "Conversation Starter".to_string(),
+            description: "Exchanged 10 messages".to_string(),
+            icon: "💬".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::ChattyKathy => Achievement {
+            id: id.clone(),
+            name: "Chatty Kathy".to_string(),
+            description: "100 messages exchanged".to_string(),
+            icon: "🗣️".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::Conversationalist => Achievement {
+            id: id.clone(),
+            name: "Master Conversationalist".to_string(),
+            description: "1,000 messages! We're really connecting!".to_string(),
+            icon: "💖".to_string(),
+            unlocked_at: None,
+        },
+
+        // Tool usage
+        AchievementId::Toolsmith => Achievement {
+            id: id.clone(),
+            name: "Toolsmith".to_string(),
+            description: "Used 5 different tools".to_string(),
+            icon: "🔨".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::ToolMaster => Achievement {
+            id: id.clone(),
+            name: "Tool Master".to_string(),
+            description: "Used 10 different tools efficiently".to_string(),
+            icon: "🛠️".to_string(),
+            unlocked_at: None,
+        },
+
+        // Time-based achievements
+        AchievementId::EarlyBird => Achievement {
+            id: id.clone(),
+            name: "Early Bird".to_string(),
+            description: "Started a session between 5 AM and 7 AM".to_string(),
+            icon: "🌅".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::NightOwl => Achievement {
+            id: id.clone(),
+            name: "Night Owl".to_string(),
+            description: "Coding after midnight".to_string(),
+            icon: "🦉".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::AllNighter => Achievement {
+            id: id.clone(),
+            name: "All Nighter".to_string(),
+            description: "Worked through the night (2 AM - 5 AM)".to_string(),
+            icon: "🌙".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::WeekendWarrior => Achievement {
+            id: id.clone(),
+            name: "Weekend Warrior".to_string(),
+            description: "Coding on a weekend".to_string(),
+            icon: "⚔️".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::DedicatedDeveloper => Achievement {
+            id: id.clone(),
+            name: "Dedicated Developer".to_string(),
+            description: "Coded for 30 days in a row".to_string(),
+            icon: "🏆".to_string(),
+            unlocked_at: None,
+        },
+
+        // Search and exploration
+        AchievementId::Explorer => Achievement {
+            id: id.clone(),
+            name: "Explorer".to_string(),
+            description: "Used search tools 50 times".to_string(),
+            icon: "🔍".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::MasterSearcher => Achievement {
+            id: id.clone(),
+            name: "Master Searcher".to_string(),
+            description: "Searched 500 times across files".to_string(),
+            icon: "🕵️‍♀️".to_string(),
+            unlocked_at: None,
+        },
+
+        // Session achievements
+        AchievementId::QuickSession => Achievement {
+            id: id.clone(),
+            name: "Quick Session".to_string(),
+            description: "Completed a productive session in under 5 minutes".to_string(),
+            icon: "⚡".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::FocusedWork => Achievement {
+            id: id.clone(),
+            name: "Focused Work".to_string(),
+            description: "Worked for 30 minutes straight".to_string(),
+            icon: "🎯".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::DeepDive => Achievement {
+            id: id.clone(),
+            name: "Deep Dive".to_string(),
+            description: "Worked for 2 hours continuously".to_string(),
+            icon: "🏊‍♀️".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::MarathonSession => Achievement {
+            id: id.clone(),
+            name: "Marathon Session".to_string(),
+            description: "5+ hour coding session!".to_string(),
+            icon: "🏃‍♀️".to_string(),
+            unlocked_at: None,
+        },
+
+        // Special achievements
+        AchievementId::FirstMessage => Achievement {
+            id: id.clone(),
+            name: "First Message".to_string(),
+            description: "Sent your first message to Hikari".to_string(),
+            icon: "✨".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::FirstTool => Achievement {
+            id: id.clone(),
+            name: "First Tool".to_string(),
+            description: "Used your first tool".to_string(),
+            icon: "🔧".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::FirstCodeBlock => Achievement {
+            id: id.clone(),
+            name: "First Code".to_string(),
+            description: "Generated your first code block".to_string(),
+            icon: "📦".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::FirstFileEdit => Achievement {
+            id: id.clone(),
+            name: "First Edit".to_string(),
+            description: "Made your first file edit".to_string(),
+            icon: "✏️".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::Polyglot => Achievement {
+            id: id.clone(),
+            name: "Polyglot".to_string(),
+            description: "Generated code in 5+ languages in one session".to_string(),
+            icon: "🌍".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::SpeedCoder => Achievement {
+            id: id.clone(),
+            name: "Speed Coder".to_string(),
+            description: "Generated 10 code blocks in 10 minutes".to_string(),
+            icon: "🚀".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::ClaudeConnoisseur => Achievement {
+            id: id.clone(),
+            name: "Claude Connoisseur".to_string(),
+            description: "Used all available Claude models".to_string(),
+            icon: "🎨".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::MarathonCoder => Achievement {
+            id: id.clone(),
+            name: "Marathon Coder".to_string(),
+            description: "10,000 tokens in a single session".to_string(),
+            icon: "🏃‍♂️".to_string(),
+            unlocked_at: None,
+        },
+
+        // Relationship & Greetings
+        AchievementId::GoodMorning => Achievement {
+            id: id.clone(),
+            name: "Good Morning!".to_string(),
+            description: "Greeted Hikari with a good morning".to_string(),
+            icon: "🌅".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::GoodNight => Achievement {
+            id: id.clone(),
+            name: "Good Night".to_string(),
+            description: "Said good night to Hikari".to_string(),
+            icon: "🌙".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::ThankYou => Achievement {
+            id: id.clone(),
+            name: "Grateful Heart".to_string(),
+            description: "Thanked Hikari for her help".to_string(),
+            icon: "💝".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::LoveYou => Achievement {
+            id: id.clone(),
+            name: "Love Connection".to_string(),
+            description: "Expressed love to Hikari".to_string(),
+            icon: "💕".to_string(),
+            unlocked_at: None,
+        },
+
+        // Personality & Fun
+        AchievementId::EmojiUser => Achievement {
+            id: id.clone(),
+            name: "Emoji Enthusiast".to_string(),
+            description: "Used an emoji in your message".to_string(),
+            icon: "😊".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::QuestionMaster => Achievement {
+            id: id.clone(),
+            name: "Question Master".to_string(),
+            description: "Asked 20 questions".to_string(),
+            icon: "❓".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::CapsLock => Achievement {
+            id: id.clone(),
+            name: "CAPS LOCK ENGAGED".to_string(),
+            description: "SENT A MESSAGE IN ALL CAPS".to_string(),
+            icon: "📢".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::PleaseAndThankYou => Achievement {
+            id: id.clone(),
+            name: "Polite Programmer".to_string(),
+            description: "Said please in a request".to_string(),
+            icon: "🎩".to_string(),
+            unlocked_at: None,
+        },
+
+        // Git & Development
+        AchievementId::GitGuru => Achievement {
+            id: id.clone(),
+            name: "Git Guru".to_string(),
+            description: "Used git commands 10 times".to_string(),
+            icon: "🌿".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::TestWriter => Achievement {
+            id: id.clone(),
+            name: "Test Writer".to_string(),
+            description: "Created test files".to_string(),
+            icon: "🧪".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::Debugger => Achievement {
+            id: id.clone(),
+            name: "Bug Squasher".to_string(),
+            description: "Fixed bugs and errors".to_string(),
+            icon: "🐛".to_string(),
+            unlocked_at: None,
+        },
+
+        // Tool Mastery
+        AchievementId::BashMaster => Achievement {
+            id: id.clone(),
+            name: "Bash Master".to_string(),
+            description: "Used Bash tool 50 times".to_string(),
+            icon: "🐚".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::FileExplorer => Achievement {
+            id: id.clone(),
+            name: "File Explorer".to_string(),
+            description: "Read 100 files".to_string(),
+            icon: "📂".to_string(),
+            unlocked_at: None,
+        },
+        AchievementId::SearchExpert => Achievement {
+            id: id.clone(),
+            name: "Search Expert".to_string(),
+            description: "Used Grep tool 50 times".to_string(),
+            icon: "🔎".to_string(),
+            unlocked_at: None,
+        },
+    }
+}
+
+// Check achievements based on message content
+pub fn check_message_achievements(
+    message: &str,
+    progress: &mut AchievementProgress,
+) -> Vec<AchievementId> {
+    let mut newly_unlocked = Vec::new();
+    let message_lower = message.to_lowercase();
+
+    println!("Checking message achievements for: {}", message);
+
+    // Relationship & Greetings
+    if message_lower.contains("good morning") && progress.unlock(AchievementId::GoodMorning) {
+        newly_unlocked.push(AchievementId::GoodMorning);
+    }
+    if (message_lower.contains("good night") || message_lower.contains("goodnight"))
+        && progress.unlock(AchievementId::GoodNight) {
+        newly_unlocked.push(AchievementId::GoodNight);
+    }
+    if (message_lower.contains("thank you") || message_lower.contains("thanks") || message_lower.contains("thx"))
+        && progress.unlock(AchievementId::ThankYou) {
+        newly_unlocked.push(AchievementId::ThankYou);
+    }
+    if (message_lower.contains("love you") || message_lower.contains("ily"))
+        && progress.unlock(AchievementId::LoveYou) {
+        newly_unlocked.push(AchievementId::LoveYou);
+    }
+
+    // Personality & Fun
+    if message.chars().any(|c| c as u32 >= 0x1F300) && progress.unlock(AchievementId::EmojiUser) {
+        newly_unlocked.push(AchievementId::EmojiUser);
+    }
+    if message == message.to_uppercase() && message.len() > 5
+        && message.chars().any(|c| c.is_alphabetic())
+        && progress.unlock(AchievementId::CapsLock) {
+        newly_unlocked.push(AchievementId::CapsLock);
+    }
+    if message_lower.contains("please") && progress.unlock(AchievementId::PleaseAndThankYou) {
+        newly_unlocked.push(AchievementId::PleaseAndThankYou);
+    }
+
+    // Git & Development patterns in messages
+    if (message_lower.contains("fix") || message_lower.contains("bug") || message_lower.contains("error"))
+        && progress.unlock(AchievementId::Debugger) {
+        newly_unlocked.push(AchievementId::Debugger);
+    }
+
+    newly_unlocked
+}
+
+// Check which achievements should be unlocked based on current stats
+pub fn check_achievements(
+    stats: &crate::stats::UsageStats,
+    progress: &mut AchievementProgress,
+) -> Vec<AchievementId> {
+    let mut newly_unlocked = Vec::new();
+
+    println!("Checking achievements with stats: messages={}, tokens={}, code_blocks={}",
+        stats.messages_exchanged,
+        stats.total_input_tokens + stats.total_output_tokens,
+        stats.code_blocks_generated);
+    println!("Currently unlocked: {:?}", progress.unlocked);
+
+    // Token milestones
+    let total_tokens = stats.total_input_tokens + stats.total_output_tokens;
+    if total_tokens >= 1_000 && progress.unlock(AchievementId::FirstSteps) {
+        println!("Unlocked FirstSteps achievement!");
+        newly_unlocked.push(AchievementId::FirstSteps);
+    }
+    if total_tokens >= 10_000 && progress.unlock(AchievementId::GrowingStrong) {
+        newly_unlocked.push(AchievementId::GrowingStrong);
+    }
+    if total_tokens >= 100_000 && progress.unlock(AchievementId::BlossomingCoder) {
+        newly_unlocked.push(AchievementId::BlossomingCoder);
+    }
+    if total_tokens >= 1_000_000 && progress.unlock(AchievementId::TokenMaster) {
+        newly_unlocked.push(AchievementId::TokenMaster);
+    }
+
+    // Code generation
+    if stats.code_blocks_generated >= 1 && progress.unlock(AchievementId::HelloWorld) {
+        newly_unlocked.push(AchievementId::HelloWorld);
+    }
+    if stats.code_blocks_generated >= 100 && progress.unlock(AchievementId::CodeWizard) {
+        newly_unlocked.push(AchievementId::CodeWizard);
+    }
+    if stats.code_blocks_generated >= 1000 && progress.unlock(AchievementId::ThousandBlocks) {
+        newly_unlocked.push(AchievementId::ThousandBlocks);
+    }
+
+    // File operations
+    if stats.files_edited >= 10 && progress.unlock(AchievementId::FileManipulator) {
+        newly_unlocked.push(AchievementId::FileManipulator);
+    }
+    let total_files = stats.files_edited + stats.files_created;
+    if total_files >= 100 && progress.unlock(AchievementId::FileArchitect) {
+        newly_unlocked.push(AchievementId::FileArchitect);
+    }
+
+    // Conversation milestones
+    if stats.messages_exchanged >= 1 && progress.unlock(AchievementId::FirstMessage) {
+        newly_unlocked.push(AchievementId::FirstMessage);
+    }
+    if stats.messages_exchanged >= 10 && progress.unlock(AchievementId::ConversationStarter) {
+        newly_unlocked.push(AchievementId::ConversationStarter);
+    }
+    if stats.messages_exchanged >= 100 && progress.unlock(AchievementId::ChattyKathy) {
+        newly_unlocked.push(AchievementId::ChattyKathy);
+    }
+    if stats.messages_exchanged >= 1000 && progress.unlock(AchievementId::Conversationalist) {
+        newly_unlocked.push(AchievementId::Conversationalist);
+    }
+
+    // Tool usage
+    let unique_tools = stats.tools_usage.len();
+    if unique_tools >= 5 && progress.unlock(AchievementId::Toolsmith) {
+        newly_unlocked.push(AchievementId::Toolsmith);
+    }
+    if unique_tools >= 10 && progress.unlock(AchievementId::ToolMaster) {
+        newly_unlocked.push(AchievementId::ToolMaster);
+    }
+
+    // Search and exploration
+    let search_tools = ["Glob", "Grep", "search", "Task"];
+    let search_count: u64 = search_tools.iter()
+        .filter_map(|tool| stats.tools_usage.get(*tool))
+        .sum();
+    if search_count >= 50 && progress.unlock(AchievementId::Explorer) {
+        newly_unlocked.push(AchievementId::Explorer);
+    }
+    if search_count >= 500 && progress.unlock(AchievementId::MasterSearcher) {
+        newly_unlocked.push(AchievementId::MasterSearcher);
+    }
+
+    // Session duration achievements
+    let session_secs = stats.session_duration_seconds;
+    if session_secs < 300 && stats.session_messages_exchanged >= 5 && progress.unlock(AchievementId::QuickSession) {
+        newly_unlocked.push(AchievementId::QuickSession);
+    }
+    if session_secs >= 1800 && progress.unlock(AchievementId::FocusedWork) {
+        newly_unlocked.push(AchievementId::FocusedWork);
+    }
+    if session_secs >= 7200 && progress.unlock(AchievementId::DeepDive) {
+        newly_unlocked.push(AchievementId::DeepDive);
+    }
+    if session_secs >= 18000 && progress.unlock(AchievementId::MarathonSession) {
+        newly_unlocked.push(AchievementId::MarathonSession);
+    }
+
+    // Session token achievement
+    let session_tokens = stats.session_input_tokens + stats.session_output_tokens;
+    if session_tokens >= 10000 && progress.unlock(AchievementId::MarathonCoder) {
+        newly_unlocked.push(AchievementId::MarathonCoder);
+    }
+
+    // Special first-time achievements
+    if !stats.tools_usage.is_empty() && progress.unlock(AchievementId::FirstTool) {
+        newly_unlocked.push(AchievementId::FirstTool);
+    }
+    if stats.code_blocks_generated >= 1 && progress.unlock(AchievementId::FirstCodeBlock) {
+        newly_unlocked.push(AchievementId::FirstCodeBlock);
+    }
+    if stats.files_edited >= 1 && progress.unlock(AchievementId::FirstFileEdit) {
+        newly_unlocked.push(AchievementId::FirstFileEdit);
+    }
+
+    // Speed coder - need to track time for this
+    // TODO: Implement tracking for 10 code blocks in 10 minutes
+
+    // Polyglot - need to track languages
+    // TODO: Implement tracking for multiple programming languages
+
+    // Claude Connoisseur - check model usage
+    // TODO: Track different Claude models used
+
+    // Tool mastery achievements
+    if let Some(bash_count) = stats.tools_usage.get("Bash") {
+        if *bash_count >= 50 && progress.unlock(AchievementId::BashMaster) {
+            newly_unlocked.push(AchievementId::BashMaster);
+        }
+    }
+    if let Some(read_count) = stats.tools_usage.get("Read") {
+        if *read_count >= 100 && progress.unlock(AchievementId::FileExplorer) {
+            newly_unlocked.push(AchievementId::FileExplorer);
+        }
+    }
+    if let Some(grep_count) = stats.tools_usage.get("Grep") {
+        if *grep_count >= 50 && progress.unlock(AchievementId::SearchExpert) {
+            newly_unlocked.push(AchievementId::SearchExpert);
+        }
+    }
+
+    // Git Guru - check git command usage in Bash
+    if let Some(bash_count) = stats.tools_usage.get("Bash") {
+        if *bash_count >= 10 && progress.unlock(AchievementId::GitGuru) {
+            // TODO: More specific git command tracking
+            newly_unlocked.push(AchievementId::GitGuru);
+        }
+    }
+
+    // Time-based achievements
+    if let Some(session_start) = progress.session_start {
+        let hour = session_start.hour();
+        let weekday = session_start.weekday();
+
+        // Early bird - 5 AM to 7 AM
+        if (5..=7).contains(&hour) && progress.unlock(AchievementId::EarlyBird) {
+            newly_unlocked.push(AchievementId::EarlyBird);
+        }
+
+        // Night owl - after midnight
+        let current_hour = Utc::now().hour();
+        if current_hour < 6 && progress.unlock(AchievementId::NightOwl) {
+            newly_unlocked.push(AchievementId::NightOwl);
+        }
+
+        // All nighter - 2 AM to 5 AM
+        if (2..=5).contains(&current_hour) && progress.unlock(AchievementId::AllNighter) {
+            newly_unlocked.push(AchievementId::AllNighter);
+        }
+
+        // Weekend warrior
+        use chrono::Weekday;
+        if (weekday == Weekday::Sat || weekday == Weekday::Sun) && progress.unlock(AchievementId::WeekendWarrior) {
+            newly_unlocked.push(AchievementId::WeekendWarrior);
+        }
+    }
+
+    // Dedicated Developer - need to track consecutive days
+    // TODO: Implement 30 days in a row tracking
+
+    newly_unlocked
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct AchievementUnlockedEvent {
+    pub achievement: Achievement,
+}
+
+// Save achievements to persistent store
+pub async fn save_achievements(app: &tauri::AppHandle, progress: &AchievementProgress) -> Result<(), String> {
+    let store = app.store("achievements.json")
+        .map_err(|e| e.to_string())?;
+
+    // Create a serializable version with just the unlocked achievement IDs
+    let unlocked_list: Vec<AchievementId> = progress.unlocked.iter().cloned().collect();
+
+    println!("Saving achievements: {:?}", unlocked_list);
+
+    store.set("unlocked", serde_json::to_value(unlocked_list).map_err(|e| e.to_string())?);
+    store.save().map_err(|e| e.to_string())?;
+
+    println!("Achievements saved successfully");
+    Ok(())
+}
+
+// Load achievements from persistent store
+pub async fn load_achievements(app: &tauri::AppHandle) -> AchievementProgress {
+    println!("Loading achievements from store...");
+
+    let store = match app.store("achievements.json") {
+        Ok(s) => s,
+        Err(e) => {
+            println!("Failed to open achievements store: {}", e);
+            return AchievementProgress::new();
+        }
+    };
+
+    let mut progress = AchievementProgress::new();
+
+    // Get unlocked achievements
+    if let Some(unlocked_value) = store.get("unlocked") {
+        println!("Found unlocked value in store: {:?}", unlocked_value);
+        if let Ok(unlocked_list) = serde_json::from_value::<Vec<AchievementId>>(unlocked_value.clone()) {
+            println!("Loaded {} achievements", unlocked_list.len());
+            for achievement_id in unlocked_list {
+                progress.unlocked.insert(achievement_id);
+            }
+        } else {
+            println!("Failed to parse unlocked achievements");
+        }
+    } else {
+        println!("No unlocked achievements found in store");
+    }
+
+    progress
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_achievement_unlock() {
+        let mut progress = AchievementProgress::new();
+
+        // First unlock should return true
+        assert!(progress.unlock(AchievementId::FirstSteps));
+        assert!(progress.is_unlocked(&AchievementId::FirstSteps));
+
+        // Second unlock of same achievement should return false
+        assert!(!progress.unlock(AchievementId::FirstSteps));
+
+        // Newly unlocked should contain the achievement
+        let newly = progress.take_newly_unlocked();
+        assert_eq!(newly.len(), 1);
+        assert_eq!(newly[0], AchievementId::FirstSteps);
+
+        // After taking, newly unlocked should be empty
+        let newly = progress.take_newly_unlocked();
+        assert!(newly.is_empty());
+    }
+}

src-tauri/src/commands.rs

@@ -2,7 +2,9 @@ use tauri::{AppHandle, State};
 use tauri_plugin_store::StoreExt;
 
 use crate::config::{ClaudeStartOptions, HikariConfig};
+use crate::stats::UsageStats;
 use crate::wsl_bridge::SharedBridge;
+use crate::achievements::{load_achievements, get_achievement_info, AchievementUnlockedEvent};
 
 const CONFIG_STORE_KEY: &str = "config";
 
@@ -72,3 +74,29 @@ pub async fn save_config(app: AppHandle, config: HikariConfig) -> Result<(), Str
 
     Ok(())
 }
+
+#[tauri::command]
+pub async fn get_usage_stats(bridge: State<'_, SharedBridge>) -> Result<UsageStats, String> {
+    let bridge = bridge.lock();
+    Ok(bridge.get_stats())
+}
+
+#[tauri::command]
+pub async fn load_saved_achievements(app: AppHandle) -> Result<Vec<AchievementUnlockedEvent>, String> {
+    use chrono::Utc;
+
+    // Load achievements from persistent store
+    let progress = load_achievements(&app).await;
+
+    // Create events for all previously unlocked achievements
+    let mut events = Vec::new();
+    for achievement_id in &progress.unlocked {
+        let mut info = get_achievement_info(achievement_id);
+        info.unlocked_at = Some(Utc::now()); // We don't store timestamps, so just use now
+        events.push(AchievementUnlockedEvent {
+            achievement: info,
+        });
+    }
+
+    Ok(events)
+}

src-tauri/src/lib.rs

@@ -1,6 +1,8 @@
+mod achievements;
 mod commands;
 mod config;
 mod notifications;
+mod stats;
 mod types;
 mod wsl_bridge;
 mod wsl_notifications;
@@ -10,6 +12,7 @@ mod windows_toast;
 use commands::*;
 use notifications::*;
 use wsl_bridge::create_shared_bridge;
+use commands::load_saved_achievements;
 use wsl_notifications::*;
 use vbs_notification::*;
 use windows_toast::*;
@@ -35,6 +38,8 @@ pub fn run() {
             select_wsl_directory,
             get_config,
             save_config,
+            get_usage_stats,
+            load_saved_achievements,
             send_windows_notification,
             send_simple_notification,
             send_windows_toast,

src-tauri/src/stats.rs

@@ -0,0 +1,216 @@
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use std::time::Instant;
+use crate::achievements::{AchievementProgress, check_achievements};
+
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+pub struct UsageStats {
+    pub total_input_tokens: u64,
+    pub total_output_tokens: u64,
+    pub total_cost_usd: f64,
+    pub session_input_tokens: u64,
+    pub session_output_tokens: u64,
+    pub session_cost_usd: f64,
+    pub model: Option<String>,
+
+    // New fields
+    pub messages_exchanged: u64,
+    pub session_messages_exchanged: u64,
+    pub code_blocks_generated: u64,
+    pub session_code_blocks_generated: u64,
+    pub files_edited: u64,
+    pub session_files_edited: u64,
+    pub files_created: u64,
+    pub session_files_created: u64,
+    pub tools_usage: HashMap<String, u64>,
+    pub session_tools_usage: HashMap<String, u64>,
+    pub session_duration_seconds: u64,
+    #[serde(skip)]
+    pub session_start: Option<Instant>,
+
+    // Achievement tracking
+    #[serde(skip)]
+    pub achievements: AchievementProgress,
+}
+
+impl UsageStats {
+    pub fn new() -> Self {
+        let mut stats = Self::default();
+        stats.achievements.start_session();
+        stats
+    }
+
+    pub fn add_usage(&mut self, input_tokens: u64, output_tokens: u64, model: &str) {
+        self.total_input_tokens += input_tokens;
+        self.total_output_tokens += output_tokens;
+        self.session_input_tokens += input_tokens;
+        self.session_output_tokens += output_tokens;
+
+        let cost = calculate_cost(input_tokens, output_tokens, model);
+        self.total_cost_usd += cost;
+        self.session_cost_usd += cost;
+
+        self.model = Some(model.to_string());
+    }
+
+    pub fn reset_session(&mut self) {
+        self.session_input_tokens = 0;
+        self.session_output_tokens = 0;
+        self.session_cost_usd = 0.0;
+        self.session_messages_exchanged = 0;
+        self.session_code_blocks_generated = 0;
+        self.session_files_edited = 0;
+        self.session_files_created = 0;
+        self.session_tools_usage.clear();
+        self.session_duration_seconds = 0;
+        self.session_start = Some(Instant::now());
+        self.achievements.start_session();
+    }
+
+    pub fn increment_messages(&mut self) {
+        self.messages_exchanged += 1;
+        self.session_messages_exchanged += 1;
+    }
+
+    pub fn increment_code_blocks(&mut self) {
+        self.code_blocks_generated += 1;
+        self.session_code_blocks_generated += 1;
+    }
+
+    pub fn increment_files_edited(&mut self) {
+        self.files_edited += 1;
+        self.session_files_edited += 1;
+    }
+
+    pub fn increment_files_created(&mut self) {
+        self.files_created += 1;
+        self.session_files_created += 1;
+    }
+
+    pub fn increment_tool_usage(&mut self, tool_name: &str) {
+        *self.tools_usage.entry(tool_name.to_string()).or_insert(0) += 1;
+        *self.session_tools_usage.entry(tool_name.to_string()).or_insert(0) += 1;
+    }
+
+    pub fn get_session_duration(&mut self) -> u64 {
+        // Only update if more than 1 second has passed to reduce calculations
+        if let Some(start) = self.session_start {
+            let elapsed = start.elapsed().as_secs();
+            if elapsed > self.session_duration_seconds {
+                self.session_duration_seconds = elapsed;
+            }
+        }
+        self.session_duration_seconds
+    }
+
+    pub fn check_achievements(&mut self) -> Vec<crate::achievements::AchievementId> {
+        let stats_copy = UsageStats {
+            total_input_tokens: self.total_input_tokens,
+            total_output_tokens: self.total_output_tokens,
+            total_cost_usd: self.total_cost_usd,
+            session_input_tokens: self.session_input_tokens,
+            session_output_tokens: self.session_output_tokens,
+            session_cost_usd: self.session_cost_usd,
+            model: self.model.clone(),
+            messages_exchanged: self.messages_exchanged,
+            session_messages_exchanged: self.session_messages_exchanged,
+            code_blocks_generated: self.code_blocks_generated,
+            session_code_blocks_generated: self.session_code_blocks_generated,
+            files_edited: self.files_edited,
+            session_files_edited: self.session_files_edited,
+            files_created: self.files_created,
+            session_files_created: self.session_files_created,
+            tools_usage: self.tools_usage.clone(),
+            session_tools_usage: self.session_tools_usage.clone(),
+            session_duration_seconds: self.session_duration_seconds,
+            session_start: self.session_start,
+            achievements: AchievementProgress::new(), // Dummy for copy
+        };
+        check_achievements(&stats_copy, &mut self.achievements)
+    }
+}
+
+// Pricing as of January 2025
+// https://www.anthropic.com/pricing
+fn calculate_cost(input_tokens: u64, output_tokens: u64, model: &str) -> f64 {
+    let (input_price_per_million, output_price_per_million) = match model {
+        // Opus 4.5
+        "claude-opus-4-5-20251101" => (15.0, 75.0),
+
+        // Opus 4
+        "claude-opus-4-20250514" => (15.0, 75.0),
+
+        // Sonnet 4
+        "claude-sonnet-4-20250514" => (3.0, 15.0),
+
+        // Previous generation models
+        "claude-3-5-sonnet-20241022" => (3.0, 15.0),
+        "claude-3-5-sonnet-20240620" => (3.0, 15.0),
+        "claude-3-5-haiku-20241022" => (1.0, 5.0),
+        "claude-3-opus-20240229" => (15.0, 75.0),
+        "claude-3-sonnet-20240229" => (3.0, 15.0),
+        "claude-3-haiku-20240307" => (0.25, 1.25),
+
+        // Default to Sonnet pricing if model unknown
+        _ => (3.0, 15.0),
+    };
+
+    let input_cost = (input_tokens as f64 / 1_000_000.0) * input_price_per_million;
+    let output_cost = (output_tokens as f64 / 1_000_000.0) * output_price_per_million;
+
+    input_cost + output_cost
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct StatsUpdateEvent {
+    pub stats: UsageStats,
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_cost_calculation_sonnet() {
+        let cost = calculate_cost(1000, 2000, "claude-sonnet-4-20250514");
+        // 1000 input * $3/M = $0.003
+        // 2000 output * $15/M = $0.030
+        // Total = $0.033
+        assert!((cost - 0.033).abs() < 0.0001);
+    }
+
+    #[test]
+    fn test_cost_calculation_opus() {
+        let cost = calculate_cost(1000, 2000, "claude-opus-4-20250514");
+        // 1000 input * $15/M = $0.015
+        // 2000 output * $75/M = $0.150
+        // Total = $0.165
+        assert!((cost - 0.165).abs() < 0.0001);
+    }
+
+    #[test]
+    fn test_usage_stats_accumulation() {
+        let mut stats = UsageStats::new();
+        stats.add_usage(1000, 2000, "claude-sonnet-4-20250514");
+
+        assert_eq!(stats.total_input_tokens, 1000);
+        assert_eq!(stats.total_output_tokens, 2000);
+        assert_eq!(stats.session_input_tokens, 1000);
+        assert_eq!(stats.session_output_tokens, 2000);
+        assert!((stats.total_cost_usd - 0.033).abs() < 0.0001);
+    }
+
+    #[test]
+    fn test_session_reset() {
+        let mut stats = UsageStats::new();
+        stats.add_usage(1000, 2000, "claude-sonnet-4-20250514");
+        stats.reset_session();
+
+        assert_eq!(stats.total_input_tokens, 1000);
+        assert_eq!(stats.total_output_tokens, 2000);
+        assert_eq!(stats.session_input_tokens, 0);
+        assert_eq!(stats.session_output_tokens, 0);
+        assert_eq!(stats.session_cost_usd, 0.0);
+        assert!(stats.total_cost_usd > 0.0);
+    }
+}

src-tauri/src/types.rs

@@ -1,5 +1,11 @@
 use serde::{Deserialize, Serialize};
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct UsageInfo {
+    pub input_tokens: u64,
+    pub output_tokens: u64,
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Default)]
 #[serde(rename_all = "snake_case")]
 pub enum CharacterState {
@@ -87,6 +93,8 @@ pub enum ClaudeMessage {
         num_turns: Option<u32>,
         #[serde(default)]
         permission_denials: Option<Vec<PermissionDenial>>,
+        #[serde(default)]
+        usage: Option<UsageInfo>,
     },
 }
 
@@ -97,6 +105,8 @@ pub struct AssistantMessageContent {
     pub model: Option<String>,
     #[serde(default)]
     pub stop_reason: Option<String>,
+    #[serde(default)]
+    pub usage: Option<UsageInfo>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]

src-tauri/src/wsl_bridge.rs

@@ -10,7 +10,10 @@ use tempfile::NamedTempFile;
 use std::os::windows::process::CommandExt;
 
 use crate::config::ClaudeStartOptions;
+use crate::stats::{UsageStats, StatsUpdateEvent};
+use parking_lot::RwLock;
 use crate::types::{CharacterState, ClaudeMessage, ConnectionStatus, ContentBlock, StateChangeEvent, OutputEvent, PermissionPromptEvent};
+use crate::achievements::{get_achievement_info, AchievementUnlockedEvent};
 
 const SEARCH_TOOLS: [&str; 5] = ["Read", "Glob", "Grep", "WebSearch", "WebFetch"];
 const CODING_TOOLS: [&str; 3] = ["Edit", "Write", "NotebookEdit"];
@@ -72,6 +75,7 @@ pub struct WslBridge {
     working_directory: String,
     session_id: Option<String>,
     mcp_config_file: Option<NamedTempFile>,
+    stats: Arc<RwLock<UsageStats>>,
 }
 
 impl WslBridge {
@@ -82,14 +86,37 @@ impl WslBridge {
             working_directory: String::new(),
             session_id: None,
             mcp_config_file: None,
+            stats: Arc::new(RwLock::new(UsageStats::new())),
         }
     }
 
+    #[allow(dead_code)]
+    pub async fn new_with_loaded_achievements(app: &tauri::AppHandle) -> Self {
+        let bridge = Self::new();
+
+        // Load saved achievements into the stats
+        let achievements = crate::achievements::load_achievements(app).await;
+        println!("Loaded achievements into bridge: {} unlocked", achievements.unlocked.len());
+        bridge.stats.write().achievements = achievements;
+
+        bridge
+    }
+
     pub fn start(&mut self, app: AppHandle, options: ClaudeStartOptions) -> Result<(), String> {
         if self.process.is_some() {
             return Err("Process already running".to_string());
         }
 
+        // Load saved achievements when starting a new session
+        let app_clone = app.clone();
+        let stats = self.stats.clone();
+        tauri::async_runtime::spawn(async move {
+            println!("Loading saved achievements...");
+            let achievements = crate::achievements::load_achievements(&app_clone).await;
+            println!("Loaded {} unlocked achievements", achievements.unlocked.len());
+            stats.write().achievements = achievements;
+        });
+
         let working_dir = &options.working_dir;
         self.working_directory = working_dir.clone();
 
@@ -249,10 +276,22 @@ impl WslBridge {
         self.stdin = stdin;
         self.process = Some(child);
 
+        // Reset session stats when starting new session
+        self.stats.write().reset_session();
+
+        // Load saved achievements
+        let app_handle = app.clone();
+        let stats_clone = self.stats.clone();
+        tokio::spawn(async move {
+            let saved_progress = crate::achievements::load_achievements(&app_handle).await;
+            stats_clone.write().achievements = saved_progress;
+        });
+
         if let Some(stdout) = stdout {
             let app_clone = app.clone();
+            let stats_clone = self.stats.clone();
             thread::spawn(move || {
-                handle_stdout(stdout, app_clone);
+                handle_stdout(stdout, app_clone, stats_clone);
             });
         }
 
@@ -311,6 +350,20 @@ impl WslBridge {
     pub fn get_working_directory(&self) -> &str {
         &self.working_directory
     }
+
+    pub fn get_stats(&self) -> UsageStats {
+        self.stats.read().clone()
+    }
+
+    #[allow(dead_code)]
+    pub fn update_stats(&mut self, input_tokens: u64, output_tokens: u64, model: &str) {
+        self.stats.write().add_usage(input_tokens, output_tokens, model);
+    }
+
+    #[allow(dead_code)]
+    pub fn reset_session_stats(&mut self) {
+        self.stats.write().reset_session();
+    }
 }
 
 impl Default for WslBridge {
@@ -319,13 +372,13 @@ impl Default for WslBridge {
     }
 }
 
-fn handle_stdout(stdout: std::process::ChildStdout, app: AppHandle) {
+fn handle_stdout(stdout: std::process::ChildStdout, app: AppHandle, stats: Arc<RwLock<UsageStats>>) {
     let reader = BufReader::new(stdout);
 
     for line in reader.lines() {
         match line {
             Ok(line) if !line.is_empty() => {
-                if let Err(e) = process_json_line(&line, &app) {
+                if let Err(e) = process_json_line(&line, &app, &stats) {
                     eprintln!("Error processing line: {}", e);
                 }
             }
@@ -358,7 +411,7 @@ fn handle_stderr(stderr: std::process::ChildStderr, app: AppHandle) {
     }
 }
 
-fn process_json_line(line: &str, app: &AppHandle) -> Result<(), String> {
+fn process_json_line(line: &str, app: &AppHandle, stats: &Arc<RwLock<UsageStats>>) -> Result<(), String> {
     let message: ClaudeMessage = serde_json::from_str(line)
         .map_err(|e| format!("Failed to parse JSON: {} - Line: {}", e, line))?;
 
@@ -379,12 +432,47 @@ fn process_json_line(line: &str, app: &AppHandle) -> Result<(), String> {
             let mut state = CharacterState::Typing;
             let mut tool_name = None;
 
+            // Only update stats if we have usage information
+            if let Some(usage) = &message.usage {
+                if let Some(model) = &message.model {
+                    // Batch all stats updates in a single write lock
+                    {
+                        let mut stats_guard = stats.write();
+                        stats_guard.increment_messages();
+                        stats_guard.add_usage(usage.input_tokens, usage.output_tokens, model);
+                        stats_guard.get_session_duration();
+                    }
+
+                    // Don't emit here - we'll emit on Result message instead
+                    // This reduces the frequency of updates
+                } else {
+                    // Just increment message count if no usage info
+                    stats.write().increment_messages();
+                }
+            } else {
+                // Just increment message count if no usage info
+                stats.write().increment_messages();
+            }
+
             for block in &message.content {
                 match block {
                     ContentBlock::ToolUse { name, input, .. } => {
                         tool_name = Some(name.clone());
                         state = get_tool_state(name);
 
+                        // Batch tool tracking updates
+                        {
+                            let mut stats_guard = stats.write();
+                            stats_guard.increment_tool_usage(name);
+
+                            // Track file operations
+                            match name.as_str() {
+                                "Edit" => stats_guard.increment_files_edited(),
+                                "Write" => stats_guard.increment_files_created(),
+                                _ => {}
+                            }
+                        }
+
                         let desc = format_tool_description(name, input);
                         let _ = app.emit("claude:output", OutputEvent {
                             line_type: "tool".to_string(),
@@ -393,6 +481,12 @@ fn process_json_line(line: &str, app: &AppHandle) -> Result<(), String> {
                         });
                     }
                     ContentBlock::Text { text } => {
+                        // Count code blocks in the text
+                        let code_blocks = text.matches("```").count() / 2;
+                        for _ in 0..code_blocks {
+                            stats.write().increment_code_blocks();
+                        }
+
                         let _ = app.emit("claude:output", OutputEvent {
                             line_type: "assistant".to_string(),
                             content: text.clone(),
@@ -440,13 +534,55 @@ fn process_json_line(line: &str, app: &AppHandle) -> Result<(), String> {
             }
         }
 
-        ClaudeMessage::Result { subtype, result, permission_denials, .. } => {
+        ClaudeMessage::Result { subtype, result, permission_denials, usage: _, .. } => {
             let state = if subtype == "success" {
                 CharacterState::Success
             } else {
                 CharacterState::Error
             };
 
+            // Always emit updated stats on result message (less frequent)
+            // This includes the latest session duration
+            let newly_unlocked = {
+                let mut stats_guard = stats.write();
+                stats_guard.get_session_duration();
+                println!("Checking achievements after result message...");
+                let unlocked = stats_guard.check_achievements();
+                println!("Newly unlocked achievements: {:?}", unlocked);
+                unlocked
+            };
+
+            // Emit achievement events for any newly unlocked achievements
+            for achievement_id in &newly_unlocked {
+                let info = get_achievement_info(achievement_id);
+                let _ = app.emit("achievement:unlocked", AchievementUnlockedEvent {
+                    achievement: info,
+                });
+            }
+
+            // Save achievements after unlocking new ones
+            if !newly_unlocked.is_empty() {
+                println!("Saving newly unlocked achievements: {:?}", newly_unlocked);
+                let app_handle = app.clone();
+                let achievements_progress = stats.read().achievements.clone();
+
+                // Use Tauri's async runtime instead of tokio::spawn
+                tauri::async_runtime::spawn(async move {
+                    println!("Spawned save task for achievements");
+                    if let Err(e) = crate::achievements::save_achievements(&app_handle, &achievements_progress).await {
+                        eprintln!("Failed to save achievements: {}", e);
+                    } else {
+                        println!("Achievement save task completed successfully");
+                    }
+                });
+            }
+
+            let current_stats = stats.read().clone();
+            let stats_event = StatsUpdateEvent {
+                stats: current_stats,
+            };
+            let _ = app.emit("claude:stats", stats_event);
+
             // Only emit error results - success content is already sent via Assistant message
             if subtype != "success" {
                 if let Some(text) = result {
@@ -480,7 +616,60 @@ fn process_json_line(line: &str, app: &AppHandle) -> Result<(), String> {
             emit_state_change(app, state, None);
         }
 
-        ClaudeMessage::User { .. } => {
+        ClaudeMessage::User { message } => {
+            // Increment message count for user messages
+            stats.write().increment_messages();
+
+            // Extract text content from the message
+            let message_text = message.content.iter()
+                .filter_map(|block| match block {
+                    crate::types::ContentBlock::Text { text } => Some(text.clone()),
+                    _ => None,
+                })
+                .collect::<Vec<String>>()
+                .join(" ");
+
+            // Check achievements after user message
+            let newly_unlocked = {
+                let mut stats_guard = stats.write();
+                println!("User sent message, checking achievements...");
+
+                // Check message-based achievements
+                let mut unlocked = crate::achievements::check_message_achievements(
+                    &message_text,
+                    &mut stats_guard.achievements,
+                );
+
+                // Check stats-based achievements
+                let stats_unlocked = stats_guard.check_achievements();
+                unlocked.extend(stats_unlocked);
+
+                unlocked
+            };
+
+            // Emit achievement events for any newly unlocked achievements
+            for achievement_id in &newly_unlocked {
+                println!("User message unlocked achievement: {:?}", achievement_id);
+                let info = get_achievement_info(achievement_id);
+                let _ = app.emit("achievement:unlocked", AchievementUnlockedEvent {
+                    achievement: info,
+                });
+            }
+
+            // Save achievements after unlocking new ones
+            if !newly_unlocked.is_empty() {
+                println!("Saving newly unlocked achievements from user message");
+                let app_handle = app.clone();
+                let achievements_progress = stats.read().achievements.clone();
+                tauri::async_runtime::spawn(async move {
+                    if let Err(e) = crate::achievements::save_achievements(&app_handle, &achievements_progress).await {
+                        eprintln!("Failed to save achievements: {}", e);
+                    } else {
+                        println!("Achievements saved after user message");
+                    }
+                });
+            }
+
             emit_state_change(app, CharacterState::Thinking, None);
         }
     }