release: v0.47.0

[avifenesh]

Summary

• bump all publishable crates and packaged consumers to 0.47.0
• publish the August 8, 2026 changelog section
• refresh Cargo.lock package versions

Validation

• cargo test --workspace
• cargo test --doc --workspace
• cargo clippy --workspace -- -D warnings
• cargo run -p agnix-cli --bin agnix -- eval tests/eval.yaml (61/61, 100% precision/recall/F1)
• cargo run -p agnix-cli --bin agnix -- .
• cargo audit (only tracked allowed warnings)
• cargo deny check advisories
• cargo build --release -p agnix-cli -p agnix-lsp -p agnix-mcp
• CLI/LSP --version and MCP initialize all report 0.47.0