Update exponential decay for shake and bloom effects

[ford442]

Updated the decay formulas for shakeIntensity and neonBloomIntensity in src/webgpu/effects.ts to use true exponential decay (Math.exp) instead of algebraic approximations, resulting in a snappier game feel. Logged the changes in neon_bricklayers_journal.md as requested.

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PR created automatically by Jules for task 7661657725309913315 started by @ford442

Summary by CodeRabbit

• New Features

  • Improved visual effects so screen shake and neon glow fade more naturally and responsively.

• Chores

  • Updated the video asset build metadata.

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Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: e76d12bb-6b5e-4956-b48e-85e2cb858b50

📥 Commits

Reviewing files that changed from the base of the PR and between 3258264 and c601b51.

📒 Files selected for processing (3)

• neon_bricklayers_journal.md
• public/assets/video/manifest.json
• src/webgpu/effects.ts

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📝 Walkthrough

Walkthrough

VisualEffects.updateEffects now uses exponential decay for shake and neon bloom intensities. The visual log records the change, and the video asset manifest receives an updated build timestamp.

Changes

Visual Effect Decay

Layer / File(s)	Summary
Exponential effect decay and supporting updates src/webgpu/effects.ts, neon_bricklayers_journal.md, public/assets/video/manifest.json	shakeIntensity and neonBloomIntensity now decay with Math.exp; the visual log documents the update and the manifest timestamp is refreshed.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• ford442/Tetris_WebGPU#287: Overlaps with neon-bloom decay integration in VisualEffects.updateEffects.
• ford442/Tetris_WebGPU#312: Modifies the same decay formulas in src/webgpu/effects.ts.
• ford442/Tetris_WebGPU#421: Changes decay formulas for effect intensities in the same function.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch neon-bricklayer-exponential-decay-7661657725309913315

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