Vendor the MapToPoster pipeline with AXP themes and an AXP Runde font hook

.gitignore

@@ -15,3 +15,7 @@ playwright-report/
 .DS_Store
 # Original conversation stays on its owner's machine; decisions are in docs/.
 TODO.md
+tools/poster/posters/
+tools/poster/fonts/*.otf
+tools/poster/fonts/*.ttf
+tools/poster/.venv/

docs/design/posters.md

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+# Posters
+
+Two renders from the vendored MapToPoster pipeline (`tools/poster`) with the
+placeholder AXP themes and AXP Runde as the display face:
+
+| Outdoor (day)                                      | Indoor (night)                                   |
+| -------------------------------------------------- | ------------------------------------------------ |
+| ![Portland, outdoor](posters/portland-outdoor.jpg) | ![Portland, indoor](posters/portland-indoor.jpg) |
+
+What is decided: the pipeline, the font hook, and where themes live. What is
+not: the palettes. They are lifted from today's workspace tokens and will be
+redone when the design language is locked. The theme schema is eleven
+colours (background, text, water, parks, five road tiers, gradient), so
+re-theming is a five-minute job once the greens are final.
+
+Ideas for when that happens:
+
+- A leaf-green gradient fade instead of upstream's top/bottom fade to the
+  background colour, so posters share Liquid Leaf's meniscus.
+- The hooked `l` from AXP Runde is already in the city name; the coordinates
+  line could use tabular figures.
+- A third theme for the "paper" surfaces in Grove (warm parchment, sand
+  roads) for printed material.

tools/poster/LICENSE

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+MIT License
+
+Copyright (c) 2026 Ankur Gupta
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

tools/poster/README.md

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+# AXP poster pipeline
+
+City map posters in AXP's palette, for the day we post or tweet something and
+want an image that looks like it came from our world.
+
+This is a vendored copy of [MapToPoster](https://github.com/originalankur/maptoposter)
+by Ankur Gupta (MIT; `LICENSE` and `UPSTREAM-README.md` are upstream's), with:
+
+- two AXP themes, `themes/axp_outdoor.json` and `themes/axp_indoor.json`
+- a font hook: `font_management.py` loads AXP Runde (or any bold/regular/light
+  set) from `fonts/` or `$AXP_POSTER_FONT_DIR`, falling back to matplotlib's
+  DejaVu Sans. Roboto is not vendored.
+- `axp-poster`, a one-line wrapper
+
+## Use
+
+Needs [uv](https://docs.astral.sh/uv/) and network access to OpenStreetMap
+(Nominatim for geocoding, Overpass for data). First run installs the pinned
+Python environment from `uv.lock`.
+
+```sh
+# copy AXP Runde .otf files into tools/poster/fonts (built by
+# scripts/fonts/build-axp-runde.py on the type branch), then:
+tools/poster/axp-poster "Portland" "USA" outdoor 6000
+tools/poster/axp-poster "Portland" "USA" indoor 6000
+```
+
+Output lands in `tools/poster/posters/` (ignored by git). Distance is the map
+radius in metres; 6000 frames a downtown, 12000–18000 a whole city. Any
+upstream flag can follow the four positional arguments (`--format svg`,
+`--display-city`, `--width`, …).
+
+## Status
+
+The pipeline runs end to end; the two themes are placeholders derived from
+the current workspace tokens. They will be replaced once the design language
+is locked (Liquid Leaf greens, Grove's paper and ink, the type decisions), at
+which point this becomes the marketing image generator it is meant to be.