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docs(roadmap): replace the mermaid Gantt with Macroplan TOML

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The macroplan app parses this source directly; the baseline originals
stay fixed and v0.1's slip is expressed as an at-risk status instead of
a re-drawn bar.
This commit is contained in:
Julien Calixte
2026-07-08 00:17:48 +02:00
parent c4326421fd
commit 8e0f0d996b
2 changed files with 90 additions and 37 deletions
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README.md
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@@ -57,17 +57,17 @@ each decision is weighted against the user-facing requirements lives in
[`docs/qfd.md`](docs/qfd.md); the ontology those docs use is defined in
[`GLOSSARY.md`](GLOSSARY.md).
| Layer | Choice | Notes |
| ------------- | --------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| HAL / runtime | `esp-idf-svc`, `esp-idf-hal` | std build: heap, threads, VFS, mbedtls, Wi-Fi stack. |
| Display | Custom SSD1683 driver (`src/epd.rs`) + `embedded-graphics` | Dual-controller 792×272 panel; dirty-rect partial refresh (~630 ms measured). |
| UI layer | Custom thin widget layer | Ratatui's API _shape_ without its char-grid terminal model ([ADR-002](docs/adr.md#adr-002-ui-strategy--custom-widgets-on-embedded-graphics-not-ratatui)). |
| Editor core | Custom, in-tree (`src/editor.rs`) | Modal (Normal / Insert / View / Command), motions, operators + text objects. Plain-ASCII buffer until the v0.2 UTF-8 work. |
| USB host | `esp-idf` TinyUSB bindings | Boot-protocol HID; verified on hardware (Spike 4). |
| Git | **libgit2 via `git2`**, built as an esp-idf component with mbedTLS (`firmware/components/libgit2/`) | `gix` was the original pick but can't push over HTTPS — the [ADR-004](docs/adr.md#adr-004-git-implementation--gitoxide-gix) kill-switch fired ([postmortem](docs/postmortems/2026-07-05-spike7-gix-https-push.md)). On-device add → commit → push verified. |
| TLS | `mbedtls` via `esp-idf` | GitHub HTTPS with the chain checked against embedded roots; ≈35 KB heap measured during handshake (Spike 6). |
| Auth | HTTPS + GitHub PAT | v0.1 bakes credentials in at build time via `TW_*` env vars; provisioning + at-rest protection is [ADR-011](docs/adr.md#adr-011-credential-provisioning--how-the-pat-reaches-the-device-and-is-protected-at-rest) (open), on-device settings land in v0.9. |
| Filesystem | FAT on SD (`esp_vfs_fat`) | Working copy lives here. Internal LittleFS holds config. |
| Layer | Choice | Notes |
| ------------- | --------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| HAL / runtime | `esp-idf-svc`, `esp-idf-hal` | std build: heap, threads, VFS, mbedtls, Wi-Fi stack. |
| Display | Custom SSD1683 driver (`src/epd.rs`) + `embedded-graphics` | Dual-controller 792×272 panel; dirty-rect partial refresh (~630 ms measured). |
| UI layer | Custom thin widget layer | Ratatui's API _shape_ without its char-grid terminal model ([ADR-002](docs/adr.md#adr-002-ui-strategy--custom-widgets-on-embedded-graphics-not-ratatui)). |
| Editor core | Custom, in-tree (`src/editor.rs`) | Modal (Normal / Insert / View / Command), motions, operators + text objects. Plain-ASCII buffer until the v0.2 UTF-8 work. |
| USB host | `esp-idf` TinyUSB bindings | Boot-protocol HID; verified on hardware (Spike 4). |
| Git | **libgit2 via `git2`**, built as an esp-idf component with mbedTLS (`firmware/components/libgit2/`) | `gix` was the original pick but can't push over HTTPS — the [ADR-004](docs/adr.md#adr-004-git-implementation--gitoxide-gix) kill-switch fired ([postmortem](docs/postmortems/2026-07-05-spike7-gix-https-push.md)). On-device add → commit → push verified. |
| TLS | `mbedtls` via `esp-idf` | GitHub HTTPS with the chain checked against embedded roots; ≈35 KB heap measured during handshake (Spike 6). |
| Auth | HTTPS + GitHub PAT | v0.1 bakes credentials in at build time via `TW_*` env vars; provisioning + at-rest protection is [ADR-011](docs/adr.md#adr-011-credential-provisioning--how-the-pat-reaches-the-device-and-is-protected-at-rest) (open), on-device settings land in v0.9. |
| Filesystem | FAT on SD (`esp_vfs_fat`) | Working copy lives here. Internal LittleFS holds config. |
---
@@ -90,7 +90,7 @@ around, not against:
## Roadmap
Frequent releases. Each version is a usable artifact, not a checkpoint.
Per-version scope, current `[x]`/`[~]` marks, and the macro-plan Gantt live in
Per-version scope, current `[x]`/`[~]` marks, and the Macroplan source live in
[`docs/roadmap.md`](docs/roadmap.md).
| Version | Theme | One-liner |