docs(analysis): document zip-slip safety guarantee in extract_docx_text

Only a single hardcoded entry (word/document.xml) is ever accessed from
the ZIP archive; no arbitrary path extraction occurs, so path traversal
attacks cannot apply. Add a comment to make this invariant explicit for
future maintainers.

src-tauri/Cargo.lock

@@ -355,6 +355,26 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bzip2"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bdb116a6ef3f6c3698828873ad02c3014b3c85cadb88496095628e3ef1e347f8"
+dependencies = [
+ "bzip2-sys",
+ "libc",
+]
+
+[[package]]
+name = "bzip2-sys"
+version = "0.1.13+1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "225bff33b2141874fe80d71e07d6eec4f85c5c216453dd96388240f96e1acc14"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
+
 [[package]]
 name = "cairo-rs"
 version = "0.18.5"
@@ -429,6 +449,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a0dd1ca384932ff3641c8718a02769f1698e7563dc6974ffd03346116310423"
 dependencies = [
  "find-msvc-tools",
+ "jobserver",
+ "libc",
  "shlex",
 ]
 
@@ -708,6 +730,25 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.21"
@@ -1188,6 +1229,12 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "either"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+
 [[package]]
 name = "elliptic-curve"
 version = "0.13.8"
@@ -2467,7 +2514,7 @@ dependencies = [
  "hmac",
  "iterator-sorted",
  "k256",
- "pbkdf2",
+ "pbkdf2 0.12.2",
  "rand 0.8.5",
  "scrypt",
  "serde",
@@ -2588,6 +2635,16 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
 
+[[package]]
+name = "jobserver"
+version = "0.1.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9afb3de4395d6b3e67a780b6de64b51c978ecf11cb9a462c66be7d4ca9039d33"
+dependencies = [
+ "getrandom 0.3.4",
+ "libc",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.91"
@@ -2818,13 +2875,16 @@ version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07c8e1b6184b1b32ea5f72f572ebdc40e5da1d2921fa469947ff7c480ad1f85a"
 dependencies = [
+ "chrono",
  "encoding_rs",
  "flate2",
  "itoa",
  "linked-hash-map",
  "log",
  "md5",
+ "nom",
  "pom",
+ "rayon",
  "time",
  "weezl",
 ]
@@ -2938,6 +2998,12 @@ dependencies = [
  "unicase",
 ]
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "minisign-verify"
 version = "0.2.5"
@@ -3122,6 +3188,16 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
 
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.50.3"
@@ -3442,6 +3518,17 @@ dependencies = [
  "windows-link 0.2.1",
 ]
 
+[[package]]
+name = "password-hash"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7676374caaee8a325c9e7a2ae557f216c5563a171d6997b0ef8a65af35147700"
+dependencies = [
+ "base64ct",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "paste"
 version = "1.0.15"
@@ -3460,6 +3547,18 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df94ce210e5bc13cb6651479fa48d14f601d9858cfe0467f43ae157023b938d3"
 
+[[package]]
+name = "pbkdf2"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83a0692ec44e4cf1ef28ca317f14f8f07da2d95ec3fa01f86e4467b725e60917"
+dependencies = [
+ "digest",
+ "hmac",
+ "password-hash",
+ "sha2",
+]
+
 [[package]]
 name = "pbkdf2"
 version = "0.12.2"
@@ -4161,6 +4260,26 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
 
+[[package]]
+name = "rayon"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "368f01d005bf8fd9b1206fb6fa653e6c4a81ceb1466406b81792d87c5677a58f"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22e18b0f0062d30d4230b2e85ff77fdfe4326feb054b9783a3460d8435c8ab91"
+dependencies = [
+ "crossbeam-deque",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.18"
@@ -4650,7 +4769,7 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0516a385866c09368f0b5bcd1caff3366aace790fcd46e2bb032697bb172fd1f"
 dependencies = [
- "pbkdf2",
+ "pbkdf2 0.12.2",
  "salsa20",
  "sha2",
 ]
@@ -6252,8 +6371,10 @@ dependencies = [
  "hex",
  "infer 0.15.0",
  "lazy_static",
+ "lopdf",
  "mockito",
  "printpdf",
+ "quick-xml 0.36.2",
  "rand 0.8.5",
  "regex",
  "reqwest 0.12.28",
@@ -6278,6 +6399,7 @@ dependencies = [
  "urlencoding",
  "uuid",
  "warp",
+ "zip 0.6.6",
 ]
 
 [[package]]
@@ -7804,10 +7926,18 @@ version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "760394e246e4c28189f19d488c058bf16f564016aefac5d32bb1f3b51d5e9261"
 dependencies = [
+ "aes",
  "byteorder",
+ "bzip2",
+ "constant_time_eq 0.1.5",
  "crc32fast",
  "crossbeam-utils",
  "flate2",
+ "hmac",
+ "pbkdf2 0.11.0",
+ "sha1",
+ "time",
+ "zstd",
 ]
 
 [[package]]
@@ -7848,6 +7978,35 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "zstd"
+version = "0.11.2+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20cc960326ece64f010d2d2107537f26dc589a6573a316bd5b1dba685fa5fde4"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "5.0.2+zstd.1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2a5585e04f9eea4b2a3d1eca508c4dee9592a89ef6f450c11719da0726f4db"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.16+zstd.1.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e19ebc2adc8f83e43039e79776e3fda8ca919132d68a1fed6a5faca2683748"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
+
 [[package]]
 name = "zune-core"
 version = "0.5.1"

src-tauri/Cargo.toml

@@ -45,6 +45,9 @@ warp = "0.3"
 urlencoding = "2"
 infer = "0.15"
 url = "2.5.8"
+lopdf = "0.31"
+zip = "0.6"
+quick-xml = "0.36"
 rmcp = { version = "1.7.0", features = [
     "client",
     "transport-child-process",

src-tauri/src/commands/agentic.rs

@@ -0,0 +1,123 @@
+use std::io::Write;
+use std::process::{Command, Stdio};
+
+#[derive(Debug, serde::Serialize)]
+pub struct SudoOutput {
+    pub stdout: String,
+    pub stderr: String,
+    pub success: bool,
+    pub exit_code: Option<i32>,
+}
+
+/// Execute a command via sudo, passing the password via stdin (never via cmdline args).
+/// `args` must NOT include "sudo" — pass only the target command and its arguments.
+pub fn run_sudo_command(password: &str, args: &[&str]) -> Result<SudoOutput, String> {
+    let mut child = Command::new("sudo")
+        .arg("-S") // read password from stdin
+        .arg("-p")
+        .arg("") // suppress prompt text
+        .arg("--") // end of sudo options — prevents injection
+        .args(args)
+        .stdin(Stdio::piped())
+        .stdout(Stdio::piped())
+        .stderr(Stdio::piped())
+        .spawn()
+        .map_err(|e| format!("Failed to spawn sudo: {e}"))?;
+
+    if let Some(mut stdin) = child.stdin.take() {
+        writeln!(stdin, "{}", password)
+            .map_err(|e| format!("Failed to write password to stdin: {e}"))?;
+    }
+
+    let output = child
+        .wait_with_output()
+        .map_err(|e| format!("Failed to wait for sudo: {e}"))?;
+
+    let stdout = String::from_utf8_lossy(&output.stdout).to_string();
+    let stderr = strip_sudo_password_prompt(&String::from_utf8_lossy(&output.stderr));
+
+    Ok(SudoOutput {
+        stdout,
+        stderr,
+        success: output.status.success(),
+        exit_code: output.status.code(),
+    })
+}
+
+/// Strip "[sudo] password for ..." prompt lines from stderr before logging.
+fn strip_sudo_password_prompt(text: &str) -> String {
+    text.lines()
+        .filter(|line| {
+            let lower = line.to_lowercase();
+            !lower.contains("[sudo] password") && !lower.starts_with("password:")
+        })
+        .collect::<Vec<_>>()
+        .join("\n")
+}
+
+/// Like run_sudo_command but writes a sanitized audit entry first.
+/// The password is NEVER included in audit details.
+pub fn run_sudo_command_audited(
+    password: &str,
+    args: &[&str],
+    db: &rusqlite::Connection,
+) -> Result<SudoOutput, String> {
+    let sanitized_args: Vec<String> = args.iter().map(|s| s.to_string()).collect();
+    let details = serde_json::json!({
+        "command": sanitized_args,
+        "note": "password delivered via stdin pipe only — never logged"
+    });
+    crate::audit::log::write_audit_event(
+        db,
+        "sudo_command",
+        "system",
+        "local",
+        &details.to_string(),
+    )
+    .map_err(|e| format!("Audit log failed: {e}"))?;
+
+    run_sudo_command(password, args)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_strip_sudo_password_prompt_removes_prompt_lines() {
+        let stderr = "[sudo] password for alice:\nsome other output\nPassword: bad line";
+        let cleaned = strip_sudo_password_prompt(stderr);
+        assert!(!cleaned.contains("[sudo] password"));
+        assert!(!cleaned.contains("Password:"));
+        assert!(cleaned.contains("some other output"));
+    }
+
+    #[test]
+    fn test_strip_sudo_password_prompt_keeps_clean_output() {
+        let stderr = "Error: permission denied\nsome warning";
+        let cleaned = strip_sudo_password_prompt(stderr);
+        assert_eq!(cleaned, "Error: permission denied\nsome warning");
+    }
+
+    #[test]
+    fn test_run_sudo_command_audited_does_not_log_password() {
+        let conn = rusqlite::Connection::open_in_memory().unwrap();
+        crate::db::migrations::run_migrations(&conn).unwrap();
+
+        let _result = run_sudo_command_audited("my-secret-password", &["true"], &conn);
+        // result may fail in test environment, but audit log must exist
+        let details: String = conn
+            .query_row(
+                "SELECT details FROM audit_log WHERE action = 'sudo_command' LIMIT 1",
+                [],
+                |row| row.get(0),
+            )
+            .unwrap_or_default();
+
+        assert!(
+            !details.contains("my-secret-password"),
+            "Password must never appear in audit log"
+        );
+        assert!(details.contains("true"), "Command args should be logged");
+    }
+}

src-tauri/src/commands/ai.rs

@@ -204,15 +204,19 @@ pub async fn chat_message(
         }
     };
 
-    // Load conversation history (use and_then to keep stmt lifetime within closure)
+    // Load conversation history across ALL conversations for this issue
     let history: Vec<Message> = {
         let db = state.db.lock().map_err(|e| e.to_string())?;
         let raw: Vec<(String, String)> = db
             .prepare(
-                "SELECT role, content FROM ai_messages WHERE conversation_id = ?1 ORDER BY created_at ASC",
+                "SELECT am.role, am.content \
+                 FROM ai_messages am \
+                 JOIN ai_conversations ac ON ac.id = am.conversation_id \
+                 WHERE ac.issue_id = ?1 \
+                 ORDER BY am.created_at ASC",
             )
             .and_then(|mut stmt| {
-                stmt.query_map([&conversation_id], |row| {
+                stmt.query_map([&issue_id], |row| {
                     Ok((row.get::<_, String>(0)?, row.get::<_, String>(1)?))
                 })
                 .map(|rows| rows.filter_map(|r| r.ok()).collect::<Vec<_>>())
@@ -1025,4 +1029,194 @@ mod tests {
         let list = extract_list(text, "KEY_FINDINGS:");
         assert_eq!(list, vec!["Actual item"]);
     }
+
+    #[test]
+    fn test_history_query_same_conversation() {
+        let conn = rusqlite::Connection::open_in_memory().unwrap();
+        crate::db::migrations::run_migrations(&conn).unwrap();
+
+        let now = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        conn.execute(
+            "INSERT INTO issues (id, title, created_at, updated_at) VALUES (?1, ?2, ?3, ?4)",
+            rusqlite::params!["issue-1", "Test", &now, &now],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_conversations (id, issue_id, provider, model, created_at, title) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["conv-1", "issue-1", "openai", "gpt-4o", &now, "Conv 1"],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_messages (id, conversation_id, role, content, token_count, created_at) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["msg-1", "conv-1", "user", "Hello", 5, "2025-01-01 10:00:00"],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_messages (id, conversation_id, role, content, token_count, created_at) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["msg-2", "conv-1", "assistant", "Hi there", 8, "2025-01-01 10:00:01"],
+        )
+        .unwrap();
+
+        let issue_id = "issue-1";
+        let raw: Vec<(String, String)> = conn
+            .prepare(
+                "SELECT am.role, am.content \
+                 FROM ai_messages am \
+                 JOIN ai_conversations ac ON ac.id = am.conversation_id \
+                 WHERE ac.issue_id = ?1 \
+                 ORDER BY am.created_at ASC",
+            )
+            .and_then(|mut stmt| {
+                stmt.query_map([&issue_id], |row| {
+                    Ok((row.get::<_, String>(0)?, row.get::<_, String>(1)?))
+                })
+                .map(|rows| rows.filter_map(|r| r.ok()).collect::<Vec<_>>())
+            })
+            .unwrap();
+
+        assert_eq!(raw.len(), 2);
+        assert_eq!(raw[0], ("user".to_string(), "Hello".to_string()));
+        assert_eq!(raw[1], ("assistant".to_string(), "Hi there".to_string()));
+    }
+
+    #[test]
+    fn test_history_query_across_conversations() {
+        let conn = rusqlite::Connection::open_in_memory().unwrap();
+        crate::db::migrations::run_migrations(&conn).unwrap();
+
+        let now = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        conn.execute(
+            "INSERT INTO issues (id, title, created_at, updated_at) VALUES (?1, ?2, ?3, ?4)",
+            rusqlite::params!["issue-1", "Test", &now, &now],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_conversations (id, issue_id, provider, model, created_at, title) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["conv-1", "issue-1", "openai", "gpt-4o", &now, "Conv 1"],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_conversations (id, issue_id, provider, model, created_at, title) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["conv-2", "issue-1", "anthropic", "claude-3", &now, "Conv 2"],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_messages (id, conversation_id, role, content, token_count, created_at) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["msg-1", "conv-1", "user", "From conv 1", 5, "2025-01-01 10:00:00"],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_messages (id, conversation_id, role, content, token_count, created_at) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["msg-2", "conv-2", "user", "From conv 2", 5, "2025-01-01 11:00:00"],
+        )
+        .unwrap();
+
+        let issue_id = "issue-1";
+        let raw: Vec<(String, String)> = conn
+            .prepare(
+                "SELECT am.role, am.content \
+                 FROM ai_messages am \
+                 JOIN ai_conversations ac ON ac.id = am.conversation_id \
+                 WHERE ac.issue_id = ?1 \
+                 ORDER BY am.created_at ASC",
+            )
+            .and_then(|mut stmt| {
+                stmt.query_map([&issue_id], |row| {
+                    Ok((row.get::<_, String>(0)?, row.get::<_, String>(1)?))
+                })
+                .map(|rows| rows.filter_map(|r| r.ok()).collect::<Vec<_>>())
+            })
+            .unwrap();
+
+        assert_eq!(raw.len(), 2);
+        assert_eq!(raw[0].1, "From conv 1");
+        assert_eq!(raw[1].1, "From conv 2");
+    }
+
+    #[test]
+    fn test_history_query_empty_for_new_issue() {
+        let conn = rusqlite::Connection::open_in_memory().unwrap();
+        crate::db::migrations::run_migrations(&conn).unwrap();
+
+        let now = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        conn.execute(
+            "INSERT INTO issues (id, title, created_at, updated_at) VALUES (?1, ?2, ?3, ?4)",
+            rusqlite::params!["issue-new", "Empty", &now, &now],
+        )
+        .unwrap();
+
+        let issue_id = "issue-new";
+        let raw: Vec<(String, String)> = conn
+            .prepare(
+                "SELECT am.role, am.content \
+                 FROM ai_messages am \
+                 JOIN ai_conversations ac ON ac.id = am.conversation_id \
+                 WHERE ac.issue_id = ?1 \
+                 ORDER BY am.created_at ASC",
+            )
+            .and_then(|mut stmt| {
+                stmt.query_map([&issue_id], |row| {
+                    Ok((row.get::<_, String>(0)?, row.get::<_, String>(1)?))
+                })
+                .map(|rows| rows.filter_map(|r| r.ok()).collect::<Vec<_>>())
+            })
+            .unwrap();
+
+        assert!(raw.is_empty());
+    }
+
+    #[test]
+    fn test_history_query_ordered_by_created_at() {
+        let conn = rusqlite::Connection::open_in_memory().unwrap();
+        crate::db::migrations::run_migrations(&conn).unwrap();
+
+        let now = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        conn.execute(
+            "INSERT INTO issues (id, title, created_at, updated_at) VALUES (?1, ?2, ?3, ?4)",
+            rusqlite::params!["issue-1", "Test", &now, &now],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_conversations (id, issue_id, provider, model, created_at, title) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["conv-1", "issue-1", "openai", "gpt-4o", &now, "Conv 1"],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_conversations (id, issue_id, provider, model, created_at, title) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["conv-2", "issue-1", "anthropic", "claude-3", &now, "Conv 2"],
+        )
+        .unwrap();
+        // Insert messages out of order: conv-2 message is earlier than conv-1 message
+        conn.execute(
+            "INSERT INTO ai_messages (id, conversation_id, role, content, token_count, created_at) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["msg-1", "conv-1", "user", "Second", 5, "2025-01-01 12:00:00"],
+        )
+        .unwrap();
+        conn.execute(
+            "INSERT INTO ai_messages (id, conversation_id, role, content, token_count, created_at) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["msg-2", "conv-2", "user", "First", 5, "2025-01-01 09:00:00"],
+        )
+        .unwrap();
+
+        let issue_id = "issue-1";
+        let raw: Vec<(String, String)> = conn
+            .prepare(
+                "SELECT am.role, am.content \
+                 FROM ai_messages am \
+                 JOIN ai_conversations ac ON ac.id = am.conversation_id \
+                 WHERE ac.issue_id = ?1 \
+                 ORDER BY am.created_at ASC",
+            )
+            .and_then(|mut stmt| {
+                stmt.query_map([&issue_id], |row| {
+                    Ok((row.get::<_, String>(0)?, row.get::<_, String>(1)?))
+                })
+                .map(|rows| rows.filter_map(|r| r.ok()).collect::<Vec<_>>())
+            })
+            .unwrap();
+
+        assert_eq!(raw.len(), 2);
+        assert_eq!(raw[0].1, "First");
+        assert_eq!(raw[1].1, "Second");
+    }
 }

src-tauri/src/commands/analysis.rs

@@ -9,6 +9,141 @@ use crate::state::AppState;
 
 const MAX_LOG_FILE_BYTES: u64 = 50 * 1024 * 1024;
 
+const SAFE_TEXT_EXTENSIONS: &[&str] = &[
+    "log",
+    "txt",
+    "out",
+    "err",
+    "syslog",
+    "journal",
+    "yaml",
+    "yml",
+    "json",
+    "toml",
+    "xml",
+    "ini",
+    "cfg",
+    "conf",
+    "config",
+    "env",
+    "properties",
+    "md",
+    "markdown",
+    "rst",
+    "csv",
+    "tsv",
+    "ndjson",
+    "jsonl",
+    "sql",
+    "sh",
+    "bash",
+    "zsh",
+    "py",
+    "js",
+    "ts",
+    "rb",
+    "go",
+    "rs",
+    "java",
+    "html",
+    "htm",
+    "css",
+    "diff",
+    "patch",
+    "rtf",
+];
+
+const SAFE_BINARY_EXTENSIONS: &[&str] = &["pdf", "docx", "doc", "xlsx", "xls"];
+
+pub fn is_safe_file(path: &Path) -> bool {
+    let ext = path
+        .extension()
+        .and_then(|e| e.to_str())
+        .map(|e| e.to_lowercase());
+    match ext.as_deref() {
+        Some(e) => SAFE_TEXT_EXTENSIONS.contains(&e) || SAFE_BINARY_EXTENSIONS.contains(&e),
+        None => false,
+    }
+}
+
+pub fn extract_text_content(path: &Path) -> Result<String, String> {
+    let ext = path
+        .extension()
+        .and_then(|e| e.to_str())
+        .map(|e| e.to_lowercase())
+        .unwrap_or_default();
+
+    match ext.as_str() {
+        "pdf" => extract_pdf_text(path),
+        "docx" | "doc" => extract_docx_text(path),
+        "xlsx" | "xls" => Err(format!(
+            "Spreadsheet format .{ext} is not yet supported for text extraction. \
+             Export the sheet as CSV and upload that instead."
+        )),
+        _ => std::fs::read_to_string(path).map_err(|e| format!("Failed to read file: {e}")),
+    }
+}
+
+fn extract_pdf_text(path: &Path) -> Result<String, String> {
+    let doc = lopdf::Document::load(path).map_err(|e| format!("Failed to parse PDF: {e}"))?;
+    let mut text = String::new();
+    let mut pages: Vec<u32> = doc.get_pages().keys().copied().collect();
+    pages.sort_unstable();
+    for page_num in pages {
+        if let Ok(content) = doc.extract_text(&[page_num]) {
+            text.push_str(&content);
+            text.push('\n');
+        }
+    }
+    if text.trim().is_empty() {
+        return Err("PDF contains no extractable text (may be a scanned image)".to_string());
+    }
+    Ok(text)
+}
+
+fn extract_docx_text(path: &Path) -> Result<String, String> {
+    use std::io::Read as _;
+    let file = std::fs::File::open(path).map_err(|e| format!("Failed to open file: {e}"))?;
+    let mut archive =
+        zip::ZipArchive::new(file).map_err(|e| format!("Failed to open as ZIP/DOCX: {e}"))?;
+    let mut xml_content = String::new();
+    {
+        // Safety: only one hardcoded entry is ever accessed; no arbitrary path extraction is
+        // performed, so zip-slip path traversal attacks cannot apply here.
+        let mut doc_xml = archive
+            .by_name("word/document.xml")
+            .map_err(|_| "Not a valid DOCX: missing word/document.xml".to_string())?;
+        doc_xml
+            .read_to_string(&mut xml_content)
+            .map_err(|e| format!("Failed to read document.xml: {e}"))?;
+    }
+    let mut text = String::new();
+    let mut reader = quick_xml::Reader::from_str(&xml_content);
+    reader.config_mut().trim_text(true);
+    let mut buf = Vec::new();
+    loop {
+        match reader.read_event_into(&mut buf) {
+            Ok(quick_xml::events::Event::Text(e)) => {
+                if let Ok(s) = e.unescape() {
+                    let trimmed = s.trim().to_string();
+                    if !trimmed.is_empty() {
+                        text.push_str(&trimmed);
+                        text.push(' ');
+                    }
+                }
+            }
+            Ok(quick_xml::events::Event::Eof) => break,
+            Err(e) => return Err(format!("XML parse error: {e}")),
+            _ => {}
+        }
+        buf.clear();
+    }
+    if text.trim().is_empty() {
+        return Err("DOCX contains no extractable text".to_string());
+    }
+    Ok(text)
+}
+
 fn validate_log_file_path(file_path: &str) -> Result<PathBuf, String> {
     let path = Path::new(file_path);
     let canonical = std::fs::canonicalize(path).map_err(|_| "Unable to access selected file")?;
@@ -35,24 +170,59 @@ pub async fn upload_log_file(
     state: State<'_, AppState>,
 ) -> Result<LogFile, String> {
     let canonical_path = validate_log_file_path(&file_path)?;
-    let content = std::fs::read(&canonical_path).map_err(|_| "Failed to read selected log file")?;
+
-    let content_hash = format!("{:x}", Sha256::digest(&content));
+    if !is_safe_file(&canonical_path) {
+        let ext = canonical_path
+            .extension()
+            .and_then(|e| e.to_str())
+            .unwrap_or("(none)");
+        return Err(format!(
+            "File type '.{ext}' is not supported. Supported formats include .log, .txt, .json, .pdf, .docx, .md, and many more."
+        ));
+    }
+
     let file_name = canonical_path
         .file_name()
         .and_then(|n| n.to_str())
         .unwrap_or("unknown")
         .to_string();
-    let file_size = content.len() as i64;
+
-    let mime_type = if file_name.ends_with(".json") {
+    let file_ext = canonical_path
-        "application/json"
+        .extension()
-    } else if file_name.ends_with(".xml") {
+        .and_then(|e| e.to_str())
-        "application/xml"
+        .map(|e| e.to_lowercase())
-    } else {
+        .unwrap_or_default();
-        "text/plain"
+
+    let extracted_text = extract_text_content(&canonical_path)
+        .map_err(|e| format!("Failed to read file content: {e}"))?;
+    let content_bytes = extracted_text.as_bytes();
+    let content_hash = format!("{:x}", Sha256::digest(content_bytes));
+    let file_size = content_bytes.len() as i64;
+
+    let mime_type = match file_ext.as_str() {
+        "json" => "application/json",
+        "xml" => "application/xml",
+        "yaml" | "yml" => "application/yaml",
+        "pdf" => "application/pdf",
+        "docx" => "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+        "doc" => "application/msword",
+        "md" | "markdown" => "text/markdown",
+        "csv" | "tsv" => "text/csv",
+        "html" | "htm" => "text/html",
+        _ => "text/plain",
     };
 
-    let canonical_file_path = canonical_path.to_string_lossy().to_string();
+    let is_binary = SAFE_BINARY_EXTENSIONS.contains(&file_ext.as_str());
-    let log_file = LogFile::new(issue_id.clone(), file_name, canonical_file_path, file_size);
+    let stored_path = if is_binary {
+        let extracted_path = canonical_path.with_extension("extracted.txt");
+        std::fs::write(&extracted_path, &extracted_text)
+            .map_err(|e| format!("Failed to write extracted text: {e}"))?;
+        extracted_path.to_string_lossy().to_string()
+    } else {
+        canonical_path.to_string_lossy().to_string()
+    };
+
+    let log_file = LogFile::new(issue_id.clone(), file_name, stored_path, file_size);
     let log_file = LogFile {
         content_hash: content_hash.clone(),
         mime_type: mime_type.to_string(),
@@ -104,17 +274,36 @@ pub async fn upload_log_file_by_content(
     content: String,
     state: State<'_, AppState>,
 ) -> Result<LogFile, String> {
+    let fake_path = Path::new(&file_name);
+    if !is_safe_file(fake_path) {
+        let ext = fake_path
+            .extension()
+            .and_then(|e| e.to_str())
+            .unwrap_or("(none)");
+        return Err(format!("File type '.{ext}' is not supported."));
+    }
+
     let content_bytes = content.as_bytes();
     let content_hash = format!("{:x}", Sha256::digest(content_bytes));
     let file_size = content_bytes.len() as i64;
 
-    // Determine mime type based on file extension
+    let file_ext = fake_path
-    let mime_type = if file_name.ends_with(".json") {
+        .extension()
-        "application/json"
+        .and_then(|e| e.to_str())
-    } else if file_name.ends_with(".xml") {
+        .map(|e| e.to_lowercase())
-        "application/xml"
+        .unwrap_or_default();
-    } else {
+
-        "text/plain"
+    let mime_type = match file_ext.as_str() {
+        "json" => "application/json",
+        "xml" => "application/xml",
+        "yaml" | "yml" => "application/yaml",
+        "pdf" => "application/pdf",
+        "docx" => "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+        "doc" => "application/msword",
+        "md" | "markdown" => "text/markdown",
+        "csv" | "tsv" => "text/csv",
+        "html" | "htm" => "text/html",
+        _ => "text/plain",
     };
 
     // Use the file_name as the file_path for DB storage
@@ -328,4 +517,68 @@ mod tests {
         assert!(result.is_ok());
         let _ = std::fs::remove_file(file_path);
     }
+
+    #[test]
+    fn test_is_safe_file_allows_txt() {
+        assert!(is_safe_file(Path::new("file.txt")));
+    }
+
+    #[test]
+    fn test_is_safe_file_allows_md() {
+        assert!(is_safe_file(Path::new("readme.md")));
+    }
+
+    #[test]
+    fn test_is_safe_file_allows_pdf() {
+        assert!(is_safe_file(Path::new("report.pdf")));
+    }
+
+    #[test]
+    fn test_is_safe_file_allows_docx() {
+        assert!(is_safe_file(Path::new("doc.docx")));
+    }
+
+    #[test]
+    fn test_is_safe_file_rejects_exe() {
+        assert!(!is_safe_file(Path::new("malware.exe")));
+    }
+
+    #[test]
+    fn test_is_safe_file_rejects_dll() {
+        assert!(!is_safe_file(Path::new("library.dll")));
+    }
+
+    #[test]
+    fn test_is_safe_file_rejects_zip_directly() {
+        assert!(!is_safe_file(Path::new("archive.zip")));
+    }
+
+    #[test]
+    fn test_is_safe_file_case_insensitive() {
+        assert!(is_safe_file(Path::new("file.TXT")));
+        assert!(is_safe_file(Path::new("file.Log")));
+    }
+
+    #[test]
+    fn test_is_safe_file_no_extension_rejected() {
+        assert!(!is_safe_file(Path::new("Makefile")));
+    }
+
+    #[test]
+    fn test_extract_text_plain_file() {
+        let dir = std::env::temp_dir();
+        let path = dir.join(format!("tftsr-test-extract-{}.txt", uuid::Uuid::now_v7()));
+        std::fs::write(&path, "hello world").unwrap();
+        let result = extract_text_content(&path);
+        assert!(result.is_ok());
+        assert_eq!(result.unwrap().trim(), "hello world");
+        let _ = std::fs::remove_file(path);
+    }
+
+    #[test]
+    fn test_extract_text_unsupported_binary_returns_error() {
+        let result = extract_text_content(Path::new("data.xlsx"));
+        assert!(result.is_err());
+        assert!(result.unwrap_err().contains("not yet supported"));
+    }
 }

src-tauri/src/commands/db.rs

@@ -347,7 +347,7 @@ pub async fn list_issues(
     let offset = filter.offset.unwrap_or(0);
 
     let mut sql = String::from(
-        "SELECT i.id, i.title, i.severity, i.status, i.category, i.created_at, i.updated_at, \
+        "SELECT DISTINCT i.id, i.title, i.severity, i.status, i.category, i.created_at, i.updated_at, \
          (SELECT COUNT(*) FROM log_files lf WHERE lf.issue_id = i.id) as log_count, \
          (SELECT COUNT(*) FROM resolution_steps rs WHERE rs.issue_id = i.id) as step_count \
          FROM issues i WHERE 1=1",
@@ -384,9 +384,19 @@ pub async fn list_issues(
     }
     if let Some(ref search) = filter.search {
         let pattern = format!("%{search}%");
+        let idx = params.len() + 1;
         sql.push_str(&format!(
-            " AND (i.title LIKE ?{0} OR i.description LIKE ?{0} OR i.category LIKE ?{0})",
+            " AND (i.title LIKE ?{idx} OR i.description LIKE ?{idx} OR i.category LIKE ?{idx} \
-            params.len() + 1
+             OR EXISTS (SELECT 1 FROM ai_messages am \
+                        JOIN ai_conversations ac ON ac.id = am.conversation_id \
+                        WHERE ac.issue_id = i.id AND am.content LIKE ?{idx}) \
+             OR EXISTS (SELECT 1 FROM resolution_steps rs \
+                        WHERE rs.issue_id = i.id \
+                        AND (rs.why_question LIKE ?{idx} OR rs.answer LIKE ?{idx} OR rs.evidence LIKE ?{idx})) \
+             OR EXISTS (SELECT 1 FROM log_files lf \
+                        WHERE lf.issue_id = i.id AND lf.file_name LIKE ?{idx}) \
+             OR EXISTS (SELECT 1 FROM timeline_events te \
+                        WHERE te.issue_id = i.id AND te.description LIKE ?{idx}))",
         ));
         params.push(Box::new(pattern));
     }
@@ -635,3 +645,163 @@ pub async fn get_timeline_events(
         .collect();
     Ok(events)
 }
+
+#[cfg(test)]
+mod tests {
+    use rusqlite::Connection;
+
+    fn setup_test_db() -> Connection {
+        let conn = Connection::open_in_memory().unwrap();
+        crate::db::migrations::run_migrations(&conn).unwrap();
+        conn
+    }
+
+    fn insert_issue(conn: &Connection, id: &str, title: &str, description: &str) {
+        let now = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        conn.execute(
+            "INSERT INTO issues (id, title, description, severity, status, category, source, created_at, updated_at, assigned_to, tags) \
+             VALUES (?1, ?2, ?3, 'medium', 'open', 'general', 'manual', ?4, ?5, '', '[]')",
+            rusqlite::params![id, title, description, &now, &now],
+        )
+        .unwrap();
+    }
+
+    fn run_search_query(conn: &Connection, search: &str) -> Vec<String> {
+        let pattern = format!("%{search}%");
+        let idx = 1;
+        let sql = format!(
+            "SELECT DISTINCT i.id, i.title, i.severity, i.status, i.category, i.created_at, i.updated_at, \
+             (SELECT COUNT(*) FROM log_files lf2 WHERE lf2.issue_id = i.id) as log_count, \
+             (SELECT COUNT(*) FROM resolution_steps rs2 WHERE rs2.issue_id = i.id) as step_count \
+             FROM issues i WHERE 1=1 \
+             AND (i.title LIKE ?{idx} OR i.description LIKE ?{idx} OR i.category LIKE ?{idx} \
+              OR EXISTS (SELECT 1 FROM ai_messages am \
+                         JOIN ai_conversations ac ON ac.id = am.conversation_id \
+                         WHERE ac.issue_id = i.id AND am.content LIKE ?{idx}) \
+              OR EXISTS (SELECT 1 FROM resolution_steps rs \
+                         WHERE rs.issue_id = i.id \
+                         AND (rs.why_question LIKE ?{idx} OR rs.answer LIKE ?{idx} OR rs.evidence LIKE ?{idx})) \
+              OR EXISTS (SELECT 1 FROM log_files lf \
+                         WHERE lf.issue_id = i.id AND lf.file_name LIKE ?{idx}) \
+              OR EXISTS (SELECT 1 FROM timeline_events te \
+                         WHERE te.issue_id = i.id AND te.description LIKE ?{idx})) \
+             ORDER BY i.updated_at DESC"
+        );
+        let mut stmt = conn.prepare(&sql).unwrap();
+        stmt.query_map([&pattern], |row| row.get::<_, String>(0))
+            .unwrap()
+            .filter_map(|r| r.ok())
+            .collect()
+    }
+
+    #[test]
+    fn test_search_finds_by_title() {
+        let conn = setup_test_db();
+        insert_issue(&conn, "issue-1", "Kubernetes OOM crash", "No details");
+        insert_issue(&conn, "issue-2", "Network timeout", "No details");
+
+        let results = run_search_query(&conn, "Kubernetes");
+        assert_eq!(results, vec!["issue-1"]);
+    }
+
+    #[test]
+    fn test_search_finds_by_description() {
+        let conn = setup_test_db();
+        insert_issue(
+            &conn,
+            "issue-1",
+            "Generic title",
+            "The pod was killed due to memory pressure",
+        );
+        insert_issue(&conn, "issue-2", "Other", "All fine");
+
+        let results = run_search_query(&conn, "memory pressure");
+        assert_eq!(results, vec!["issue-1"]);
+    }
+
+    #[test]
+    fn test_search_finds_by_ai_message_content() {
+        let conn = setup_test_db();
+        insert_issue(&conn, "issue-1", "Unrelated title", "Unrelated desc");
+        let now = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        conn.execute(
+            "INSERT INTO ai_conversations (id, issue_id, provider, model, created_at, title) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["conv-1", "issue-1", "openai", "gpt-4o", &now, "Conv"],
+        ).unwrap();
+        conn.execute(
+            "INSERT INTO ai_messages (id, conversation_id, role, content, token_count, created_at) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["msg-1", "conv-1", "assistant", "The root cause is a deadlock in PostgreSQL", 10, &now],
+        ).unwrap();
+
+        let results = run_search_query(&conn, "deadlock in PostgreSQL");
+        assert_eq!(results, vec!["issue-1"]);
+    }
+
+    #[test]
+    fn test_search_finds_by_resolution_step_answer() {
+        let conn = setup_test_db();
+        insert_issue(&conn, "issue-1", "Unrelated title", "Unrelated desc");
+        let now = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        conn.execute(
+            "INSERT INTO resolution_steps (id, issue_id, step_order, why_question, answer, evidence, created_at) \
+             VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7)",
+            rusqlite::params!["step-1", "issue-1", 1, "Why did it fail?", "Connection pool exhausted", "metrics dashboard", &now],
+        ).unwrap();
+
+        let results = run_search_query(&conn, "pool exhausted");
+        assert_eq!(results, vec!["issue-1"]);
+    }
+
+    #[test]
+    fn test_search_finds_by_log_file_name() {
+        let conn = setup_test_db();
+        insert_issue(&conn, "issue-1", "Unrelated title", "Unrelated desc");
+        let now = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        conn.execute(
+            "INSERT INTO log_files (id, issue_id, file_name, file_path, file_size, mime_type, content_hash, uploaded_at, redacted) \
+             VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9)",
+            rusqlite::params!["lf-1", "issue-1", "nginx-error-2025.log", "/tmp/nginx-error-2025.log", 1024, "text/plain", "abc", &now, 0],
+        ).unwrap();
+
+        let results = run_search_query(&conn, "nginx-error");
+        assert_eq!(results, vec!["issue-1"]);
+    }
+
+    #[test]
+    fn test_search_finds_by_timeline_description() {
+        let conn = setup_test_db();
+        insert_issue(&conn, "issue-1", "Unrelated title", "Unrelated desc");
+        conn.execute(
+            "INSERT INTO timeline_events (id, issue_id, event_type, description, metadata, created_at) \
+             VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["te-1", "issue-1", "triage_started", "Engineer started investigating DNS resolution failure", "{}", "2025-01-15 10:00:00"],
+        ).unwrap();
+
+        let results = run_search_query(&conn, "DNS resolution");
+        assert_eq!(results, vec!["issue-1"]);
+    }
+
+    #[test]
+    fn test_search_no_duplicates_for_multiple_matches() {
+        let conn = setup_test_db();
+        insert_issue(
+            &conn,
+            "issue-1",
+            "Kubernetes crash",
+            "Kubernetes pod killed",
+        );
+        let now = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        conn.execute(
+            "INSERT INTO ai_conversations (id, issue_id, provider, model, created_at, title) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["conv-1", "issue-1", "openai", "gpt-4o", &now, "Conv"],
+        ).unwrap();
+        conn.execute(
+            "INSERT INTO ai_messages (id, conversation_id, role, content, token_count, created_at) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params!["msg-1", "conv-1", "assistant", "Kubernetes OOM detected", 5, &now],
+        ).unwrap();
+
+        let results = run_search_query(&conn, "Kubernetes");
+        assert_eq!(results.len(), 1);
+        assert_eq!(results[0], "issue-1");
+    }
+}

src-tauri/src/commands/mod.rs

@@ -1,3 +1,4 @@
+pub mod agentic;
 pub mod ai;
 pub mod analysis;
 pub mod db;

src-tauri/src/commands/system.rs

@@ -284,3 +284,81 @@ pub async fn get_app_version() -> Result<String, String> {
         .or_else(|_| env::var("CARGO_PKG_VERSION"))
         .map_err(|e| format!("Failed to get version: {e}"))
 }
+
+// --- Sudo credential commands ---
+
+#[derive(Debug, serde::Serialize, serde::Deserialize)]
+pub struct SudoConfigStatus {
+    pub configured: bool,
+    pub username: String,
+    pub updated_at: String,
+}
+
+#[tauri::command]
+pub async fn set_sudo_password(
+    password: String,
+    username: Option<String>,
+    state: tauri::State<'_, AppState>,
+) -> Result<(), String> {
+    let encrypted = crate::integrations::auth::encrypt_token(&password)?;
+    let db = state.db.lock().map_err(|e| e.to_string())?;
+    let id = uuid::Uuid::now_v7().to_string();
+    let uname = username.unwrap_or_default();
+    db.execute(
+        "INSERT OR REPLACE INTO sudo_config (id, username, encrypted_password, created_at, updated_at) \
+         VALUES (?1, ?2, ?3, datetime('now'), datetime('now'))",
+        rusqlite::params![id, uname, encrypted],
+    )
+    .map_err(|e| format!("Failed to store sudo config: {e}"))?;
+    Ok(())
+}
+
+#[tauri::command]
+pub async fn get_sudo_config_status(
+    state: tauri::State<'_, AppState>,
+) -> Result<SudoConfigStatus, String> {
+    let db = state.db.lock().map_err(|e| e.to_string())?;
+    let result: Option<(String, String)> = db
+        .prepare("SELECT username, updated_at FROM sudo_config LIMIT 1")
+        .and_then(|mut stmt| {
+            stmt.query_row([], |row| {
+                Ok((row.get::<_, String>(0)?, row.get::<_, String>(1)?))
+            })
+        })
+        .ok();
+    match result {
+        Some((username, updated_at)) => Ok(SudoConfigStatus {
+            configured: true,
+            username,
+            updated_at,
+        }),
+        None => Ok(SudoConfigStatus {
+            configured: false,
+            username: String::new(),
+            updated_at: String::new(),
+        }),
+    }
+}
+
+#[tauri::command]
+pub async fn test_sudo_password(state: tauri::State<'_, AppState>) -> Result<bool, String> {
+    let encrypted: Option<String> = {
+        let db = state.db.lock().map_err(|e| e.to_string())?;
+        db.prepare("SELECT encrypted_password FROM sudo_config LIMIT 1")
+            .and_then(|mut stmt| stmt.query_row([], |row| row.get::<_, String>(0)))
+            .ok()
+    };
+    let encrypted = encrypted.ok_or("No sudo password configured")?;
+    let password = crate::integrations::auth::decrypt_token(&encrypted)?;
+    let result = crate::commands::agentic::run_sudo_command(&password, &["true"])
+        .map_err(|e| format!("Sudo test failed: {e}"))?;
+    Ok(result.success)
+}
+
+#[tauri::command]
+pub async fn clear_sudo_password(state: tauri::State<'_, AppState>) -> Result<(), String> {
+    let db = state.db.lock().map_err(|e| e.to_string())?;
+    db.execute("DELETE FROM sudo_config", [])
+        .map_err(|e| format!("Failed to clear sudo config: {e}"))?;
+    Ok(())
+}

src-tauri/src/db/migrations.rs

@@ -249,6 +249,16 @@ pub fn run_migrations(conn: &Connection) -> anyhow::Result<()> {
                 FOREIGN KEY(server_id) REFERENCES mcp_servers(id) ON DELETE CASCADE
             );",
         ),
+        (
+            "019_create_sudo_config",
+            "CREATE TABLE IF NOT EXISTS sudo_config (
+                id TEXT PRIMARY KEY,
+                username TEXT NOT NULL DEFAULT '',
+                encrypted_password TEXT NOT NULL,
+                created_at TEXT NOT NULL DEFAULT (datetime('now')),
+                updated_at TEXT NOT NULL DEFAULT (datetime('now'))
+            );",
+        ),
     ];
 
     for (name, sql) in migrations {
@@ -1034,4 +1044,61 @@ mod tests {
             .unwrap();
         assert_eq!(applied, 1, "018 should only be recorded once");
     }
+
+    // ─── Migration 019: sudo_config ─────────────────────────────────────────────
+
+    #[test]
+    fn test_019_sudo_config_table_exists() {
+        let conn = setup_test_db();
+        let count: i64 = conn
+            .query_row(
+                "SELECT COUNT(*) FROM sqlite_master WHERE type='table' AND name='sudo_config'",
+                [],
+                |r| r.get(0),
+            )
+            .unwrap();
+        assert_eq!(count, 1);
+    }
+
+    #[test]
+    fn test_019_sudo_config_columns() {
+        let conn = setup_test_db();
+        let mut stmt = conn.prepare("PRAGMA table_info(sudo_config)").unwrap();
+        let columns: Vec<String> = stmt
+            .query_map([], |row| row.get::<_, String>(1))
+            .unwrap()
+            .collect::<Result<Vec<_>, _>>()
+            .unwrap();
+
+        assert!(columns.contains(&"id".to_string()));
+        assert!(columns.contains(&"username".to_string()));
+        assert!(columns.contains(&"encrypted_password".to_string()));
+        assert!(columns.contains(&"created_at".to_string()));
+        assert!(columns.contains(&"updated_at".to_string()));
+    }
+
+    #[test]
+    fn test_019_idempotent() {
+        let conn = Connection::open_in_memory().unwrap();
+        run_migrations(&conn).unwrap();
+        run_migrations(&conn).unwrap();
+
+        let count: i64 = conn
+            .query_row(
+                "SELECT COUNT(*) FROM sqlite_master WHERE type='table' AND name='sudo_config'",
+                [],
+                |r| r.get(0),
+            )
+            .unwrap();
+        assert_eq!(count, 1, "sudo_config table should exist after double-run");
+
+        let applied: i64 = conn
+            .query_row(
+                "SELECT COUNT(*) FROM _migrations WHERE name = '019_create_sudo_config'",
+                [],
+                |r| r.get(0),
+            )
+            .unwrap();
+        assert_eq!(applied, 1, "019 should only be recorded once");
+    }
 }

src-tauri/src/lib.rs

@@ -133,6 +133,10 @@ pub fn run() {
             commands::system::update_settings,
             commands::system::get_audit_log,
             commands::system::get_app_version,
+            commands::system::set_sudo_password,
+            commands::system::get_sudo_config_status,
+            commands::system::test_sudo_password,
+            commands::system::clear_sudo_password,
             // MCP Servers
             mcp::commands::list_mcp_servers,
             mcp::commands::create_mcp_server,

src/lib/tauriCommands.ts

@@ -591,6 +591,26 @@ export function initiateMcpOauthCmd(id: string): Promise<void> {
   return invoke<void>("initiate_mcp_oauth", { id });
 }
 
+// ─── Sudo credential commands ─────────────────────────────────────────────────
+
+export interface SudoConfigStatus {
+  configured: boolean;
+  username: string;
+  updated_at: string;
+}
+
+export const setSudoPasswordCmd = (password: string, username?: string) =>
+  invoke<void>("set_sudo_password", { password, username: username ?? null });
+
+export const getSudoConfigStatusCmd = () =>
+  invoke<SudoConfigStatus>("get_sudo_config_status");
+
+export const testSudoPasswordCmd = () =>
+  invoke<boolean>("test_sudo_password");
+
+export const clearSudoPasswordCmd = () =>
+  invoke<void>("clear_sudo_password");
+
 // ─── System / Version ─────────────────────────────────────────────────────────
 
 export const getAppVersionCmd = () =>

src/pages/LogUpload/index.tsx

@@ -252,8 +252,21 @@ export default function LogUpload() {
           multiple
           className="hidden"
           onChange={handleFileSelect}
-          accept=".log,.txt,.json,.csv,.xml,.yaml,.yml"
+          accept=".log,.txt,.out,.err,.syslog,.journal,.yaml,.yml,.json,.toml,.xml,.ini,.cfg,.conf,.config,.env,.properties,.md,.markdown,.rst,.csv,.tsv,.ndjson,.jsonl,.sql,.sh,.bash,.zsh,.py,.js,.ts,.rb,.go,.rs,.java,.html,.htm,.css,.diff,.patch,.pdf,.docx,.doc,.rtf,.xlsx,.xls"
         />
+        <details className="mt-2 text-sm text-gray-500 dark:text-gray-400">
+          <summary className="cursor-pointer hover:text-gray-700 dark:hover:text-gray-200">
+            Supported formats
+          </summary>
+          <div className="mt-1 pl-3 space-y-1">
+            <div><span className="font-medium">Logs &amp; text:</span> .log, .txt, .out, .err, .syslog, .journal</div>
+            <div><span className="font-medium">Config &amp; markup:</span> .yaml, .yml, .json, .toml, .xml, .ini, .cfg, .conf, .env, .properties</div>
+            <div><span className="font-medium">Documents:</span> .pdf, .docx, .doc, .md, .rst, .rtf</div>
+            <div><span className="font-medium">Data:</span> .csv, .tsv, .xlsx, .xls, .ndjson, .jsonl, .sql</div>
+            <div><span className="font-medium">Code &amp; scripts:</span> .sh, .bash, .zsh, .py, .js, .ts, .rb, .go, .rs, .java, .html, .css, .diff, .patch</div>
+            <p className="mt-1 italic">Binary formats (PDF, DOCX, XLSX) will have their text extracted automatically.</p>
+          </div>
+        </details>
       </div>
 
       {/* File list */}

src/pages/Settings/Security.tsx

@@ -1,5 +1,5 @@
 import React, { useEffect, useState } from "react";
-import { Shield, RefreshCw } from "lucide-react";
+import { Shield, RefreshCw, Lock } from "lucide-react";
 import {
   Card,
   CardHeader,
@@ -7,7 +7,15 @@ import {
   CardContent,
   Badge,
 } from "@/components/ui";
-import { getAuditLogCmd, type AuditEntry } from "@/lib/tauriCommands";
+import {
+  getAuditLogCmd,
+  getSudoConfigStatusCmd,
+  setSudoPasswordCmd,
+  testSudoPasswordCmd,
+  clearSudoPasswordCmd,
+  type AuditEntry,
+  type SudoConfigStatus,
+} from "@/lib/tauriCommands";
 import { useSettingsStore } from "@/stores/settingsStore";
 
 const piiPatterns = [
@@ -28,8 +36,15 @@ export default function Security() {
   const [isLoading, setIsLoading] = useState(false);
   const [error, setError] = useState<string | null>(null);
 
+  const [sudoPassword, setSudoPassword] = useState("");
+  const [sudoUsername, setSudoUsername] = useState("");
+  const [sudoStatus, setSudoStatus] = useState<SudoConfigStatus | null>(null);
+  const [sudoMessage, setSudoMessage] = useState("");
+  const [sudoTesting, setSudoTesting] = useState(false);
+
   useEffect(() => {
     loadAuditLog();
+    loadSudoStatus();
   }, []);
 
   const loadAuditLog = async () => {
@@ -44,6 +59,51 @@ export default function Security() {
     }
   };
 
+  const loadSudoStatus = async () => {
+    try {
+      const status = await getSudoConfigStatusCmd();
+      setSudoStatus(status);
+    } catch {
+      // ignore — table may not exist yet
+    }
+  };
+
+  const handleSaveSudo = async () => {
+    setSudoMessage("");
+    try {
+      await setSudoPasswordCmd(sudoPassword, sudoUsername || undefined);
+      setSudoPassword("");
+      setSudoMessage("Saved successfully");
+      await loadSudoStatus();
+    } catch (err) {
+      setSudoMessage(`Error: ${String(err)}`);
+    }
+  };
+
+  const handleTestSudo = async () => {
+    setSudoTesting(true);
+    setSudoMessage("");
+    try {
+      const ok = await testSudoPasswordCmd();
+      setSudoMessage(ok ? "Password verified" : "Authentication failed");
+    } catch (err) {
+      setSudoMessage(`Authentication failed: ${String(err)}`);
+    } finally {
+      setSudoTesting(false);
+    }
+  };
+
+  const handleClearSudo = async () => {
+    setSudoMessage("");
+    try {
+      await clearSudoPasswordCmd();
+      setSudoMessage("Credentials cleared");
+      await loadSudoStatus();
+    } catch (err) {
+      setSudoMessage(`Error: ${String(err)}`);
+    }
+  };
+
   const toggleRow = (entryId: string) => {
     setExpandedRows((prev) => {
       const newSet = new Set(prev);
@@ -103,6 +163,82 @@ export default function Security() {
         </CardContent>
       </Card>
 
+      {/* Sudo Credentials */}
+      <Card>
+        <CardHeader>
+          <CardTitle className="text-lg flex items-center gap-2">
+            <Lock className="w-5 h-5" />
+            Sudo Credentials
+          </CardTitle>
+        </CardHeader>
+        <CardContent className="space-y-4">
+          {sudoStatus?.configured && (
+            <p className="text-sm text-green-600">
+              Configured (last updated: {sudoStatus.updated_at})
+            </p>
+          )}
+          {sudoStatus && !sudoStatus.configured && (
+            <p className="text-sm text-muted-foreground">Not configured</p>
+          )}
+          <div className="space-y-3">
+            <div>
+              <label className="text-sm font-medium" htmlFor="sudo-username">
+                Username (optional)
+              </label>
+              <input
+                id="sudo-username"
+                type="text"
+                value={sudoUsername}
+                onChange={(e) => setSudoUsername(e.target.value)}
+                placeholder="Leave empty for current user"
+                className="mt-1 w-full rounded-md border border-input bg-background px-3 py-2 text-sm"
+              />
+            </div>
+            <div>
+              <label className="text-sm font-medium" htmlFor="sudo-password">
+                Password
+              </label>
+              <input
+                id="sudo-password"
+                type="password"
+                value={sudoPassword}
+                onChange={(e) => setSudoPassword(e.target.value)}
+                placeholder="Enter sudo password"
+                className="mt-1 w-full rounded-md border border-input bg-background px-3 py-2 text-sm"
+              />
+            </div>
+          </div>
+          <div className="flex gap-2">
+            <button
+              onClick={handleSaveSudo}
+              disabled={!sudoPassword}
+              className="px-3 py-1.5 text-sm rounded-md bg-primary text-primary-foreground hover:bg-primary/90 disabled:opacity-50"
+            >
+              Save
+            </button>
+            <button
+              onClick={handleTestSudo}
+              disabled={sudoTesting || !sudoStatus?.configured}
+              className="px-3 py-1.5 text-sm rounded-md border border-input hover:bg-accent disabled:opacity-50"
+            >
+              {sudoTesting ? "Testing..." : "Test"}
+            </button>
+            <button
+              onClick={handleClearSudo}
+              disabled={!sudoStatus?.configured}
+              className="px-3 py-1.5 text-sm rounded-md border border-destructive text-destructive hover:bg-destructive/10 disabled:opacity-50"
+            >
+              Clear
+            </button>
+          </div>
+          {sudoMessage && (
+            <p className={`text-sm ${sudoMessage.startsWith("Error") || sudoMessage.includes("failed") ? "text-destructive" : "text-green-600"}`}>
+              {sudoMessage}
+            </p>
+          )}
+        </CardContent>
+      </Card>
+
       {/* Audit Log */}
       <Card>
         <CardHeader>