fix(ci): properly disable audio feature for musl builds

[echobt]

Summary

The previous fix (PR #100) didn't fully disable the audio feature because the workspace dependency still had default-features enabled.

Changes

This changes the workspace dependency for cortex-tui to have default-features = false, allowing cortex-cli to properly control which features are enabled via its own feature flags.

Verification

# Without audio (no alsa-sys)
cargo tree -p cortex-cli --no-default-features --features cortex-tui -i alsa-sys
# error: package ID specification `alsa-sys` did not match any packages

# With audio (alsa-sys included)
cargo tree -p cortex-cli -i alsa-sys
# alsa-sys v0.3.1
# └── alsa v0.9.1
#     └── cpal v0.15.3
#         └── rodio v0.19.0
#             └── cortex-tui v0.0.7
#                 └── cortex-cli v0.0.7

Impact

This fix allows the musl static builds to succeed by properly excluding alsa-sys when the audio feature is disabled.

[greptile-apps]

Greptile Overview

Greptile Summary

This PR completes the fix from PR #100 by adding default-features = false to the cortex-tui workspace dependency definition. This resolves the musl build issue where alsa-sys was still being included despite using --no-default-features.

Key Changes:

• Modified Cargo.toml:198 to add default-features = false to the cortex-tui workspace dependency

Technical Context:
The previous PR made the audio feature optional in cortex-tui but didn't address workspace dependency resolution. In Cargo workspaces, when a dependency is defined in [workspace.dependencies] without default-features = false, any crate using that dependency will have its default features enabled, even if the crate specifies --no-default-features. This caused alsa-sys to be pulled in for musl builds, which is incompatible with musl libc.

Verification:
The author's verification commands confirm that:

• Without audio: cargo tree correctly shows alsa-sys is not present
• With audio: alsa-sys is properly included in the dependency chain

This change allows cortex-cli to properly control feature flags when building without default features for musl static builds.

Confidence Score: 5/5

• This PR is safe to merge - it's a minimal, well-understood fix to the workspace dependency configuration
• Single-line change that correctly addresses a Cargo workspace dependency resolution issue. The fix follows Rust best practices for workspace dependencies and is verified by the author's cargo tree tests.
• No files require special attention

Important Files Changed

Filename	Overview
Cargo.toml	Added default-features = false to cortex-tui workspace dependency to properly control feature flags

Sequence Diagram

sequenceDiagram
    participant CI as CI Build
    participant Cargo as Cargo Build
    participant Workspace as Workspace Deps
    participant CLI as cortex-cli
    participant TUI as cortex-tui
    
    Note over CI,TUI: Previous behavior (PR #100)
    CI->>Cargo: cargo build --no-default-features --features cortex-tui
    Cargo->>Workspace: Resolve cortex-tui dependency
    Workspace->>TUI: Load with default-features=true (implicit)
    TUI->>TUI: Enable default = ["audio"]
    TUI->>TUI: Pull in rodio -> cpal -> alsa-sys
    Note over TUI: ❌ alsa-sys still included!
    
    Note over CI,TUI: New behavior (this PR)
    CI->>Cargo: cargo build --no-default-features --features cortex-tui
    Cargo->>Workspace: Resolve cortex-tui dependency
    Workspace->>TUI: Load with default-features=false (explicit)
    TUI->>CLI: Respect CLI's feature selection
    CLI->>TUI: Only enable cortex-tui feature (not audio)
    TUI->>TUI: Skip audio feature
    Note over TUI: ✅ alsa-sys excluded!

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