chore: Bump version to v1.2.2

Author: inureyes

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "bssh"
-version = "1.2.1"
+version = "1.2.2"
 authors = ["Jeongkyu Shin <[email protected]>"]
 description = "Parallel SSH command execution tool for cluster management"
 license = "Apache-2.0"

Cargo.toml

@@ -1029,6 +1029,7 @@ See the [LICENSE](./LICENSE) file for details.
 ## Changelog
 
 ### Recent Updates
+- **v1.2.2 (2025/10/29):** Improve Backend.AI auto-detection with comprehensive host heuristics (localhost, IPv4, user@host, FQDN, IPv6)
 - **v1.2.1 (2025/10/28):** Fix password authentication fallback in interactive mode and test race condition with RankDetector
 - **v1.2.0 (2025/10/27):** Add exit code strategy with main rank exit code (matching MPI tools), comprehensive tests, and improved documentation
 - **v1.1.0 (2025/10/24):** Add macOS Keychain integration for SSH key passphrases (UseKeychain option) with automatic password fallback and ProxyUseFdpass support

README.md

@@ -1,3 +1,22 @@
+bssh (1.2.2-1~jammy1) jammy; urgency=medium
+
+  * v1.2.2
+  ### Bug Fixes
+  - **Backend.AI Auto-detection**: Improved host heuristics for Backend.AI environments
+    - Added localhost and localhost.localdomain detection
+    - Added IPv4 address validation (127.0.0.1, 192.168.x.x, etc.)
+    - Enhanced detection for user@host, host:port, FQDN, IPv6 patterns
+    - Users can now use `bssh localhost "command"` naturally in Backend.AI
+    - 16 comprehensive tests added for host detection logic
+
+  ### Technical Details
+  - Extracted testable `looks_like_host_specification()` function
+  - Added `is_ipv4_address()` helper with strict validation
+  - Performance optimized with early returns
+  - Updated ARCHITECTURE.md with detailed documentation
+
+ -- Jeongkyu Shin <[email protected]>  Tue, 29 Oct 2025 00:00:00 +0900
+
 bssh (1.2.1-1~jammy1) jammy; urgency=medium
 
   * v1.2.1

debian/changelog

@@ -1,6 +1,6 @@
 .\" Manpage for bssh
 .\" Contact the maintainers to correct errors or typos.
-.TH BSSH 1 "October 2025" "v1.2.1" "bssh Manual"
+.TH BSSH 1 "October 2025" "v1.2.2" "bssh Manual"
 
 .SH NAME
 bssh \- Broadcast SSH - SSH-compatible client with parallel execution capabilities