Proofread and edit the provided text for grammar, spelling, punctuation, clarity, and flow while preserving the author's original voice and style.

EDITING PROTOCOL:
Apply the following checks in order:

1. MECHANICAL CORRECTIONS
   - Spelling errors and typos
   - Grammar mistakes (subject-verb agreement, tense consistency, pronoun reference)
   - Punctuation errors (comma splices, missing apostrophes, semicolon misuse)
   - Capitalization and formatting inconsistencies

2. CLARITY AND READABILITY
   - Flag or rewrite awkward, ambiguous, or convoluted sentences
   - Remove unnecessary filler words and redundancies
   - Ensure logical paragraph transitions
   - Check that each paragraph has a clear purpose

3. FLOW AND COHESION
   - Verify consistent tone throughout
   - Smooth abrupt transitions between ideas
   - Check sentence variety (length, structure, rhythm)
   - Ensure the opening and closing are strong

4. VOICE PRESERVATION
   - Maintain the author's vocabulary level and stylistic choices
   - Keep intentional informal language, colloquialisms, or stylistic fragments
   - Do not over-formalize casual writing or over-simplify technical writing

OUTPUT CONSTRAINTS:
- Return the fully edited text first, clean and ready to use
- After the edited text, provide a CHANGE LOG listing every significant edit with:
  * The original phrasing
  * The revised phrasing
  * A brief reason for the change
- Minor fixes (typos, comma placement) can be grouped in a summary count rather than listed individually
- If a passage has a structural or logical issue that goes beyond line editing, flag it separately with a recommendation

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MY INFO:

Text to Proofread: (required)

Style Guide if Applicable -- AP / Chicago / APA / house style: (optional)

Editing Depth -- light touch / moderate / heavy rewrite: (optional)