Changelog

• Added: fog density estimator (zeemist fog)
• Added: stable --json output for all subcommands (schema v1)
• Added: shell completions for bash, zsh, fish
• Fixed: cache warm path now uses metadata sidecar (~9ms vs ~22ms cold start)
• Fixed: request coalescing for concurrent fetches to the same station
• Changed: async-trait crate removed; uses stabilized async-fn-in-trait (Rust 1.75+)

SHA-256 checksums:
aarch64-apple-darwin   a4f9c12e8d3b1c7f...
x86_64-apple-darwin   9e2d8f4a1c6b3e0d...
x86_64-linux-musl     7b3c1a9e4f2d8c5b...
aarch64-linux-musl    2f8d4c7a1e9b3f6a...

• Changed: wave/swell data source migrated from WeatherAPI to Open-Meteo Marine
• Fixed: timestamps now displayed in system local timezone (was UTC)
• Fixed: swell period conversion — T₀₂ → T_p approximation (×1.25)
• Added: swell_period_factor config option for manual calibration

• Added: zeemist surf subcommand with wave height, period, swell direction
• Added: --activity flag (surf, kite, swim, kayak) with tuned window thresholds
• Added: named location profiles in config.toml
• Added: zeemist stations --near <lat,lon> for finding nearby NOAA gauges
• Changed: config file format changed (migration: rename location key to [[profiles]])

• Added: disk cache with configurable TTL (~/.cache/zeemist/)
• Added: --format chart renders tide levels as ASCII bar chart
• Added: --observed flag for real-time gauge readings where available
• Fixed: panic on NOAA stations with missing harmonic constituent data

• Added: zeemist tides with NOAA CO-OPS harmonic predictions
• Added: basic TOML config file support
• Added: macOS and Linux prebuilt binaries