Argus v0.9.0

42 CLI commands — up from 33 in v0.8.0. Major expansion of diagnostic capabilities.

New Commands

Command	Description
`argus threaddump <pid>`	Full thread dump with stack traces (jstack replacement)
`argus buffers <pid>`	NIO direct/mapped buffer pool statistics
`argus gcrun <pid>`	Trigger System.gc() remotely via jcmd
`argus logger <pid>`	View and change log levels at runtime
`argus events <pid>`	VM internal event log (safepoints, deopt, GC phases)
`argus compilerqueue <pid>`	JIT compilation queue inspection
`argus sc <pid> <pattern>`	Search loaded classes by glob pattern
`argus jfranalyze <file.jfr>`	Comprehensive JFR recording analysis

Command	Enhancement
`argus info`	CPU section: JVM/System CPU%, processors, load average
`argus ps`	Java version and uptime per process
`argus threads`	Daemon thread count, peak thread count

Categorized command table in README (Process, Memory, Threads, Runtime, Profiling, Monitoring)
Removed all --enable-preview references (no longer needed since v0.8.0)
Updated all docs, site, and completions for 42 commands
Version references synced to 0.8.0+ across all .md files

jfranalyze uses JFR Consumer API (RecordingFile) to parse GC, CPU, hot methods, allocations, lock contention, exceptions, and I/O events
buffers uses BufferPoolMXBean for local, VM.info parsing for remote processes
logger supports JVM unified logging (VM.log) and java.util.logging (LoggingMXBean)
sc converts glob patterns to regex for class histogram filtering
All new commands support --format=json and i18n (EN/KO/JA/ZH)
Shell completions updated for bash, zsh, fish, PowerShell

feat: add argus threaddump command by @rlaope in #45
enhance: enrich ps and threads commands with additional metrics by @rlaope in #52
feat: add 8 new CLI commands (buffers, gcrun, logger, events, compilerqueue, sc, jfranalyze, CPU%) by @rlaope in #53
docs: comprehensive documentation overhaul for v0.9.0 by @rlaope in #54

Full Changelog: v0.8.0...v0.9.0