style: run cargo fmt to fix CI formatting check

[Copilot]

cargo fmt --all -- --check has been failing on every push to main since the initial commit — source files were committed without running rustfmt.

• Reformatted 23 files across facelock-camera, facelock-cli, facelock-daemon, facelock-store, facelock-tpm, and facelock-polkit
• Pure formatting change — no logic modifications
• Unblocks the TPM Tests (swtpm) and Container PAM Smoke Test jobs, both gated on build-and-test

Original prompt

Problem

The CI / Build, Test, Lint job (run #23226165732) has been failing on every push to main since the initial commit. The failing step is:

cargo fmt --all -- --check

The job exits with code 1 because a number of Rust source files are not formatted according to rustfmt's rules.

Root Cause

Several files across the workspace were committed without being run through cargo fmt. The CI log shows diffs (lines with -/+) in at least the following files:

• crates/facelock-camera/src/lib.rs — multi-line tracing::warn! call
• crates/facelock-cli/src/commands/bench.rs — method chain formatting
• crates/facelock-cli/src/commands/devices.rs — method chain reformatting
• crates/facelock-cli/src/direct.rs — match arm formatting
• crates/facelock-daemon/src/auth.rs — long if condition
• crates/facelock-daemon/src/enroll.rs — match arm formatting
• crates/facelock-tpm/src/sealing.rs — multiple long method chains and closure arguments

Fix

Run cargo fmt --all in the workspace root to reformat all files in place, then commit the result.

Steps to reproduce the fix:

1. Checkout the main branch
2. Run cargo fmt --all
3. Commit all changed files with a message like style: run cargo fmt to fix CI formatting check

This should make the Check formatting step pass, which will unblock the downstream TPM Tests (swtpm) and Container PAM Smoke Test jobs (both of which needs: build-and-test).

Acceptance Criteria

• cargo fmt --all -- --check passes with exit code 0
• The CI Build, Test, Lint job passes
• No logic changes — only formatting

The following is the prior conversation context from the user's chat exploration (may be truncated):

User: Address the failing CI issues on main

Assistant: Now I have a clear picture of the failing CI. The "Build, Test, Lint" job (the root gate) is failing due to cargo fmt --check — the logs show rustfmt diffs across multiple source files. The code was committed without being formatted, and cargo fmt --all -- --check catches the discrepancies. Let me open a PR to fix this.

Assistant: I'm waiting for your response to the tool call dialog to continue.

This pull request was created from Copilot chat.

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