docs: add playable geoptimize promo

README.md

@@ -14,6 +14,10 @@
 
 `geoptimize` is a deterministic content-readiness lint for static websites and documentation. It checks reproducible properties such as document structure, sourced quantitative claims, structured-data hygiene, indexing controls, metadata quality, and repetitive wording — locally, in CI, or pre-commit.
 
+https://github.com/user-attachments/assets/5dafd888-92c9-428b-b372-62864c58059a
+
+30-second introduction · [Download the MP4](https://github.com/cucuwang/geoptimize/raw/refs/heads/main/marketing/geoptimize-preview-20260916/output/geoptimize-preview-v2.mp4) · [Video source and credits](https://github.com/cucuwang/geoptimize/tree/main/marketing/geoptimize-preview-20260916)
+
 [![geoptimize visual report with five readiness scores and site health charts](docs/assets/report-demo.png)](docs/assets/report-demo.html)
 
 [Open the offline example](docs/assets/report-demo.html) · [After improvements](docs/assets/report-demo-after.html)

marketing/geoptimize-preview-20260916/.gitignore

@@ -0,0 +1,7 @@
+work/
+assets/soundtrack.wav
+output/*.wav
+output/silent.mp4
+output/stills/
+output/contact-sheet.jpg
+output/transitions-v2.jpg

marketing/geoptimize-preview-20260916/ATTRIBUTION.md

@@ -0,0 +1,29 @@
+# Attribution and third-party licenses
+
+This geoptimize preview uses the motion-design workflow in
+[motion-web](https://github.com/feitangyuan/motion-web), by **feitangyuan**,
+at commit `5f4e40f1253e11e28850d08dce28b9b7e4320115`.
+
+The reference skill is licensed under
+[CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/).
+Its [repository license](https://github.com/feitangyuan/motion-web/blob/5f4e40f1253e11e28850d08dce28b9b7e4320115/LICENSE)
+applies to its prompts, cases, scripts and assets. This preview adapts the workflow
+to a fixed 30-second Canvas timeline with analytical springs, explicit seek controls,
+headless frame rendering and an MP4 export. It does not copy a demonstration case,
+its artwork, or its soundtrack. No endorsement is implied.
+
+This preview is shared as a demonstration of the free, open-source geoptimize
+project. The referenced motion-web license permits public open-source demonstration
+projects that do not generate commercial revenue. Commercial reuse must follow
+the applicable motion-web license conditions. The parent project's MIT license
+does not relicense motion-web material.
+
+Space Grotesk and Space Mono are supplied from the Google Fonts repository.
+The original SIL Open Font Licenses are included beside the font files.
+
+The soundtrack is original procedural synthesis. It uses no third-party samples,
+recordings or commercial songs. Its complete reproducible source is `soundtrack.py`.
+
+The product facts and demonstration counts come from geoptimize itself. The pinned
+source URLs and commit are in `source-data.json`. Onscreen scan results describe a
+synthetic three-page fixture, not a measured customer outcome.

marketing/geoptimize-preview-20260916/README.md

@@ -0,0 +1,79 @@
+# geoptimize video preview
+
+30-second English product film, 1920 × 1080, 30 fps. Playful typography, restrained
+spring motion, a moving document scan and an original instrumental soundtrack.
+The design retains geoptimize's dark ground and mint-green accent.
+
+https://github.com/user-attachments/assets/5dafd888-92c9-428b-b372-62864c58059a
+
+[Watch or download the current MP4](output/geoptimize-preview-v2.mp4) ·
+[First preview](output/geoptimize-preview-v1.mp4) ·
+[Attribution and licenses](ATTRIBUTION.md)
+
+The intended viewer is a developer maintaining a static website or documentation.
+The film introduces a first local scan and ends with the npm installation command.
+It uses verified public demonstration data and makes no search-outcome claims.
+
+## Files
+
+- `output/geoptimize-preview-v2.mp4`: current review copy with sound and varied transitions.
+- `output/geoptimize-preview-v1.mp4`: preserved first preview.
+- `index.html`, `scene.js`: editable Canvas source and accessible local player.
+- `source-data.json`, `source-notes.md`: pinned public product evidence.
+- `soundtrack.py`: original deterministic 128 BPM music.
+- `ATTRIBUTION.md`: motion-web credit, font licenses and preview usage scope.
+- `output/verification.json`: dimensions, duration, stream properties and hashes.
+- `output/verification-v2.json`, `output/layout-audit-v2.json`: current media and text-layout readback.
+
+## Reproduce
+
+Requires Node, Puppeteer Core, Chrome, FFmpeg and Python with NumPy. The parent
+checkout already has Puppeteer Core. `GEO_CHROME` can select a Chrome executable.
+No global dependency installation is needed in the producing workspace.
+
+```sh
+python3 soundtrack.py
+node render.mjs
+ffmpeg -y -i output/silent.mp4 -i assets/soundtrack.wav -map 0:v -map 1:a -c:v copy -c:a aac -b:a 192k -t 30 -movflags +faststart output/geoptimize-preview-v2.mp4
+```
+
+`node render.mjs --stills` writes representative frames only. Rendering runs through
+an ephemeral loopback HTTP server which is closed on completion. Every frame is
+evaluated at its exact timestamp; no mouse operation or live webpage is recorded.
+
+The optional HTML player starts paused, including under reduced motion. Serve this
+folder over a local HTTP server to use its play, seek and sound controls. The MP4 is
+the primary review artifact and requires no server.
+
+## Editorial structure
+
+| Seconds | Content |
+| --- | --- |
+| 0–4.7 | A page looks ready; a closer scan reveals a reason to check. |
+| 4.7–9.4 | geoptimize introduction and its local scan command. |
+| 9.4–15 | The actual synthetic fixture's five readiness dimensions. |
+| 15–21 | Editing the fixture and comparing two concrete finding counts. |
+| 21–25.3 | Local scans, offline reports and the existing CI capability. |
+| 25.3–30 | Brand, installation command and repository URL. |
+
+The overall score is not shown increasing, since the fixture's later score reflects
+several content changes beyond the two findings highlighted in the video.
+
+Each boundary now has its own motion: circular reveal, terminal opening,
+horizontal push, diagonal sweep and a small zoom into a beat cut. Incoming scene
+clocks continue through the boundary rather than restarting. Heading travel is
+bounded to its own area so it cannot cross a fixed caption.
+
+## Validation scope
+
+The video is a stylized product explanation, not a literal screen recording.
+Validation checks the rendered frames, playback duration, codec, sound levels,
+source-data consistency and deterministic frame output. It does not claim new
+runtime validation of geoptimize's CLI or a released marketing campaign.
+
+The v2 layout pass checks transformed font-glyph boxes in all 900 frames, along
+with settled text against the safe area and its own clipping region. Text pairs
+are checked within each scene; the opaque transition masks intentionally replace
+one scene with the next. The tiny HTML labels in overlapping paper illustrations
+are decorative and excluded from the glyph-pair audit. Representative mid-transition
+frames are also reviewed visually.

marketing/geoptimize-preview-20260916/assets/SpaceGrotesk-OFL.txt

@@ -0,0 +1,93 @@
+Copyright 2020 The Space Grotesk Project Authors (https://github.com/floriankarsten/space-grotesk)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

marketing/geoptimize-preview-20260916/assets/SpaceMono-OFL.txt

@@ -0,0 +1,93 @@
+Copyright 2016 The Space Mono Project Authors (https://github.com/googlefonts/spacemono)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

marketing/geoptimize-preview-20260916/index.html

@@ -0,0 +1,39 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width,initial-scale=1">
+  <meta name="description" content="A playful geoptimize product film with a reproducible demonstration scan.">
+  <title>geoptimize · Let's check.</title>
+  <style>
+    @font-face{font-family:Space;src:url('./assets/SpaceGrotesk.ttf');font-weight:300 700;font-display:block}
+    @font-face{font-family:Code;src:url('./assets/SpaceMono.ttf');font-weight:400;font-display:block}
+    :root{color-scheme:dark;--ground:#101318;--mint:#79edb3;--ink:#f7f5ee}
+    *{box-sizing:border-box}body{margin:0;background:var(--ground);color:var(--ink);font-family:Space,sans-serif}
+    main{min-height:100svh;display:grid;place-content:center;padding:16px}
+    canvas{display:block;width:min(100%,1600px);height:auto;aspect-ratio:16/9}
+    .controls{display:flex;align-items:center;gap:18px;padding:18px 0;width:100%}
+    button{font:600 16px Space,sans-serif;border:0;border-radius:12px;background:var(--mint);color:var(--ground);padding:12px 24px;min-width:96px;cursor:pointer}
+    button:focus-visible,input:focus-visible{outline:3px solid var(--ink);outline-offset:4px}
+    input{accent-color:var(--mint);flex:1;min-width:80px}output{font-variant-numeric:tabular-nums;min-width:48px}
+    .transcript{max-width:72ch;margin:24px auto 64px;padding:0 24px;color:#b8c0c9;font-size:17px;line-height:1.6}
+    .transcript h1{color:var(--ink);font-size:28px}.transcript a{color:var(--mint)}
+    body.render main{display:block;padding:0;min-height:0}body.render canvas{width:1920px;height:1080px;max-width:none}
+    body.render .controls,body.render .transcript{display:none}
+  </style>
+</head>
+<body>
+<main>
+  <canvas id="film" width="1920" height="1080" role="img" aria-label="geoptimize product film. A synthetic website scan shows content readiness and concrete findings. The transcript follows the player."></canvas>
+  <div class="controls"><button id="play">Play</button><input id="seek" type="range" min="0" max="30" step="0.01" value="0" aria-label="Video position"><output id="time">0:00</output><button id="sound" aria-pressed="false">Sound off</button></div>
+</main>
+<section class="transcript">
+  <h1>geoptimize. Let's check.</h1>
+  <p>Looks ready. Let's check. Scan a built website with <code>npx geoptimize scan ./dist --dir</code>. See five content-readiness dimensions, inspect findings and compare the same demonstration site after editing. Scan locally and save offline reports.</p>
+  <p>The scan shown uses a synthetic three-page site. Content-readiness scores are heuristic checks; search visibility and AI citations require separate measurement.</p>
+  <p><a href="https://github.com/cucuwang/geoptimize">Get geoptimize on GitHub</a></p>
+</section>
+<audio id="music" src="assets/soundtrack.wav" preload="none"></audio>
+<script src="scene.js"></script>
+</body>
+</html>

marketing/geoptimize-preview-20260916/output/layout-audit-v2.json

@@ -0,0 +1,14 @@
+{
+  "frames": 900,
+  "textBoxes": 10354,
+  "transitionNames": [
+    "circle-reveal",
+    "terminal-open",
+    "horizontal-push",
+    "diagonal-sweep",
+    "beat-cut"
+  ],
+  "collisions": [],
+  "unsafe": [],
+  "scope": "Actual font glyph bounds transformed into canvas coordinates, with authored entrance clips. Text pairs are checked within their own scene; transition masks intentionally replace scenes. Decorative labels on overlapping paper illustrations excluded."
+}