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Roadmap

The controlled private rollout is complete for the paired daily installation: physical libmtp, verified backups, signing continuity, migrations, correlated ACKs, restart, and idempotent replay passed. Generation mode remains an explicit per-installation opt-in. The additive private Drive transport and Android background software are implemented and validated with fake transport and the private production namespace. Stable v0.1.4 adds authenticated Bluetooth Classic RFCOMM as the primary paired local transport and retains direct MTP as wired recovery; Drive remains a separately configured supported path. Android background operation retains its documented post-reboot platform limits.

This document owns future work. The implemented baseline is summarized in current_state.md; completed narratives and evidence belong in reviews and CHANGELOG.md.

Product boundary

Trainlog Core owns business truth and canonical desktop persistence.
The TUI administers, inspects, maintains, and imports/exports.
The local Web analyzes, visualizes, and prepares programs/sessions.
Android executes in the field, captures actual work/feedback, and returns data.

Future work must preserve the frozen Trainlog JSON V1 contract, stable identities, actual-versus-planned separation, the frozen synchronization transport boundaries, and the distinction between measured values and estimates.

Current baseline

Stable v0.1.5 is the release baseline for the v0.1.6 development cycle. Desktop schema v35, Android schema v32, Notcurses, direct Documents/Trainlog storage, mobile export V3, Training Knowledge V1, Body Zones V1, Training Feedback V1/V2, STATS V1, and Session Generator V1 are implemented. Session Generator V1 is hidden pending V2. AI session-draft exchange retains its explicit manual validation gate. APP_SHELL_V1 remains useful historical design evidence, but its September 2026 observations must be revalidated against the v0.1.5 baseline rather than treated as a current implementation plan. TRAINLOG_WEB_V1=CONTRACT_FROZEN / IMPLEMENTATION_STARTED; its local-only CLI/HTTP infrastructure, embedded frontend shell and the frozen Dashboard data contract, frozen interactive grid, versioned layout persistence and factual tile rendering exist. The Dashboard's bounded progression and BODY ZONES visualizations and Sessions V1 are implemented. The top-level /programmes route is an operational daily active-Program calendar, while Sessions → Programmes remains the technical administration/import, list, detail, archive, and delete surface. Web Exercises V1, the factual Dashboard/Analyse read-model foundation, Sleep Diary V1/V2, synchronized factual heart-rate timelines, and the complete Cardio V1 capture/calibration/guidance chain are included in stable v0.1.5. The corrective prepared-item projection, bounded phase-owned MTP outbox, Sessions presentation correction, local date preference and durable preparation withdrawal are implemented. The withdrawal uses the separate versioned session-preparations V2 participant and does not change the frozen Dashboard, mobile snapshot or TRAINLOG_FORMAT_V1 contracts.

Current cursor

Stable v0.1.5 closes Cardio V1 and the Sleep Tonight readiness cycle. Android alone discovers and reads the heart-rate sensor; desktop/Web consume only synchronized factual measurements and never connect directly to the sensor. The heart-rate path remains independent from the frozen Bluetooth Trainlog synchronization transport.

The 0.1.6 Web refinement now also layers factual Sleep intervals, awakenings, medication intakes and complete hourly ticks on the selected night's HR chart. Its explicitly labeled fallback estimate is presentation-only and is shared by the period agenda, whose responsive labels retain an exact hourly 18:00-to-18:00 geometry. Android lifecycle/ACK regressions now explicitly guard pre-bed medication snapshots against restart, replay and stale ancestry. Release work remains the next separate operational step.

CURRENT_OPERATIONAL_CURSOR=0.1.6 Sleep graph/agenda projection and Android medication persistence proof validated and privately deployed; stable release work remains separate.

Sleep Diary V1 stays frozen/readable while active capable peers require sleep-diary-v2. The Web’s relative HR rise/fall overlays remain descriptive measured-series presentation only, never inferred sleep states or causes.

The vc45 real-device smoke found that selecting Cardio after live capture had already started on the default Training draft left the durable capture tagged as session, starving Cardio guidance despite fresh global BPM. Repository persistence now reconciles the same capture atomically while retaining its identity, sample order and raw BPM/RR facts; automated coverage reproduces the transition through an active exercise and guidance event. The vc46 re-smoke then passed with the same capture, preserved pre-transition samples, measured guidance, and non-mutating Sommeil/Calibration screen checks.

The private phone advanced non-destructively to Android schema v32 on vc47 with integrity/FK checks clean and preserved business counts. The preceding tomorrow-session readiness regression proves Program start and provenance through two ordered occurrences originating in the synchronized Program payload, four HR ownership positions, finalization, full generation, desktop import, idempotent replay and correlated ACK. That readiness evidence is now part of the stable v0.1.5 validation record rather than the active cursor.

The focused TRAINLOG_SYNC_CAUSAL_DELETE_V1_CLOSEOUT is complete before this cursor: complete predecessor state, imported built-in authorization, cross-platform draft revision identity and resource-bound admission are closed. TRAINLOG_SYNC_GENERATION_ACK_V1=PASS/FROZEN: both platforms expose explicit coherent capture, immutable manifest publication, whole-generation transactional consumption, durable correlated ACK and restart/replay entry points. The orchestrator, Web API and Web control are complete behind an explicit trusted opt-in. The authorized private direct-MTP rollout passed on real hardware; automatic V3 selection remains unchanged without that opt-in. Sessions deletion and its Programs subtab are complete in software and are not reopened by the future Exercises contract. TRAINLOG_PROGRAMS_PRESENTATION_ANDROID_DELETE_V1=PASS after its coordinated private desktop/Android deployment, correlated deletion ACK, and post-restart non-resurrection validation. It must not be reopened by the Exercises contract.

TRAINLOG_PROGRAM_EXECUTION_FLOW_V1=PASS after its coordinated private desktop/Android rollout, real start/resume/completion, correlated program-executions-v1 exchange, idempotence exchange, component restart, preserved-generation replay, and disposable-Program deletion proof. It also must not be reopened by the Exercises contract.

TRAINLOG_SYNC_GAP_CONTRACT_V1 defines the complete-sync target and its bounded dependency order; the v0.1.2 USB/Drive delivery closed the operational slices needed by the current baseline. TRAINLOG_SYNC_TEST_ENV_V1=PASS/FROZEN supplies the reproducible isolated desktop/Android validation entry point, JDK 17 gate and private JVM/XDG paths. TRAINLOG_SYNC_CHARACTERIZATION_V1=PASS/FROZEN reuses and completes the current-behavior evidence for cross-implementation V3 exchange, identities, ordering, replay, partial publication, request/receipt processing and the real lock. Data lifecycle, causal deletion, generation/ACK, orchestrator/report, Web API/control, direct-MTP, backup, and private rollout slices are complete. Their remaining per-installation opt-ins are deployment policy, not the v0.1.3 cursor. Contract details.

WEB_FRONTEND_SHELL_V1=PASS/FROZEN. trainlog -w serves the embedded React, TypeScript and Vite shell with its five client routes, Catppuccin Mocha design system, permanent Header/Footer, empty-data states and health status. The Dashboard slices below are complete; this does not authorize implementation of the remaining route placeholders. WEB_DASHBOARD_GRID_V1=PASS/FROZEN adds the validated 12-column desktop grid, explicit edit mode, drag/resize, keyboard alternative and derived responsive projections without persisting layout state. WEB_DASHBOARD_LAYOUT_V1=PASS/FROZEN persists only that canonical desktop layout with atomic XDG storage, optimistic revisions and protected HTTP mutations; responsive projections remain derived. WEB_DASHBOARD_TILES_V1=PASS/FROZEN replaces every shell placeholder with a size-adaptive component consuming only the frozen Dashboard snapshot. WEB_DASHBOARD_VISUALIZATIONS_V1=PASS/FROZEN adds a factual time-series chart for the Core-selected performance identity and an original accessible BODY ZONES silhouette, without changing either domain's semantics. WEB_DASHBOARD_V1=PASS/FROZEN closes the complete Dashboard after its final functional, visual, responsive, accessibility, persistence and performance review.

TRAINLOG_WEB_V1 implementation gate

Implementation order is fixed as:

WEB_DASHBOARD_CHARACTERIZATION_V1
        -> WEB_DASHBOARD_CORE_READ_MODEL_V1 [PASS/FROZEN]
        -> WEB_TUI_READ_MODEL_ADOPTION_V1 [PASS/FROZEN]
        -> WEB_CLI_HTTP_INFRASTRUCTURE_V1 [PASS/FROZEN]
        -> WEB_FRONTEND_SHELL_V1 [PASS/FROZEN]
        -> WEB_DASHBOARD_V1 [PASS/FROZEN]

The Web must not start with React. Characterization proves current behavior; Core extraction establishes one business implementation; TUI adoption proves reuse; only then may trainlog -w, the loopback HTTP adapter, embedded assets, and browser UI be introduced. Initial API delivery is read-only. Later program and session writes require explicit transactional Core command services.

TRAINLOG_WEB_V1 preserves /api/v1/ as an independently versioned boundary, the 127.0.0.1:8080 default, explicit --port, no silent port fallback, a single serialized Core/SQLite owner, build-only Node/npm, and no change to business SQLite or frozen exchange formats. Dashboard Activité and Progression semantics are now frozen by WEB_DASHBOARD_DATA_CONTRACT_V1; future rendering must consume them without reconstructing or redefining their mathematics.

WEB_DASHBOARD_V1 advances through independently reviewable slices:

WEB_DASHBOARD_DATA_CONTRACT_V1 [PASS/FROZEN]
        -> WEB_DASHBOARD_GRID_V1 [PASS/FROZEN]
        -> WEB_DASHBOARD_LAYOUT_V1 [PASS/FROZEN]
        -> WEB_DASHBOARD_TILES_V1 [PASS/FROZEN]
        -> WEB_DASHBOARD_VISUALIZATIONS_V1 [PASS/FROZEN]
        -> WEB_DASHBOARD_V1_FINAL_REVIEW [PASS/FROZEN]

The completed slice order preserves Core ownership, keeps visual layout outside business SQLite and frozen formats, and specifies Activity/Progression before rendering those metrics. Later Dashboard evolution must preserve those frozen boundaries.

The former WEB_NEXT_MODULE_SELECTION_V1 documentary cursor is closed by the v0.1.3 ordering below. It selected Exercices after the Android redesign; it did not authorize implementation and it did not select Analyse.

Trainlog v0.1.3

Trainlog v0.1.3 retains two priorities. Web Exercises was completed first; the cursor now returns to the Android redesign:

  1. the complete Web Exercices surface;
  2. the global Android experience redesign.
TRAINLOG_WEB_EXERCISES_V1
        -> TRAINLOG_ANDROID_UI_REDESIGN_V1

The Web lot is implemented and validated. The Android lot still requires its own reviewed contract before implementation. Analyse and every other new Web module remain after this priority unless a later explicit decision changes the order.

TRAINLOG_ANDROID_UI_REDESIGN_V1

The goal is to make the Android application clearer, faster, and more pleasant during real gym use. This is primarily a UX/UI lot. By default it must not redefine business rules, change synchronization formats, rewrite data, break stable IDs or durable drafts, break Program sessions, or regress USB/Drive.

The contract must cover these axes:

  • Navigation: review the screen hierarchy, remove unnecessary paths, expose primary actions immediately, preserve coherent caller-aware return behavior, and avoid overloaded screens.
  • Actions and buttons: replace isolated action text with real buttons where that improves scanning; use relevant icons for evident actions; retain a label, tooltip/content description, or accessible text whenever an icon alone is ambiguous; keep sufficient Android touch targets; and preserve TalkBack and keyboard navigation.
  • Presentation: improve visual hierarchy; make cards, buttons, states, spacing, and titles consistent; retain the Trainlog/Catppuccin identity; and never trade readability for density.
  • Active session: make in-workout entry the main UX priority. Redesign the current-exercise view, set addition, repetition and load entry, duration entry for DURATION exercises, previous/next exercise navigation, exercise addition/removal/reordering, equipment selection, immediate feedback, and session completion. The measured objective is fewer manipulations and taps during training.
  • Exercise entry: define a detailed contract before implementation covering at least SETS + REPS, SETS + DURATION, CONTINUOUS + DURATION, external load, assistance, unloaded work, equipment, heterogeneous sets, MAX, and feedback. This roadmap deliberately does not choose the final layout; that decision follows a real screen-by-screen visual review with the user.

APP_SHELL_V1 remains an important design source. Its proposal, mockups, and review record preserve useful navigation, accessibility, ownership, and visual reasoning. They were produced against an older baseline, however: technical observations are historical until revalidated against 0.1.3, the Android redesign must not apply an old mockup mechanically, and final 0.1.3 decisions will be made screen by screen.

TRAINLOG_WEB_EXERCISES_V1

TRAINLOG_WEB_EXERCISES_V1=PASS. The top-level /exercices route is the desktop catalogue administration surface. It uses bounded Core read/command services and a deterministic optimistic token; it does not put business rules in React.

The delivered lot includes:

  • Catalogue: a complete or paged list according to the Core contract, search, relevant filters, available/retired state when the model supports it, and access to an exercise detail.
  • Exercise detail: show only actually persisted data made available by Core, including name, exercise_id, recording_mode, tracking_mode, data_fields, primary and secondary BODY ZONES, equipment/associations when available, and other real structured metadata. React must not reconstruct business truth.
  • Creation: create through a real transactional Core command service, with name, profile, tracking, data_fields, primary and secondary zones, and equipment associations remain read-only because no bounded association command is part of this contract.
  • Modification: expose only Core-authorized changes. The contract must distinguish mutable and immutable fields, compatible changes, changes that require a new identity, and exercises already referenced by history.
  • Retirement/deletion: never naively delete a referenced identity. Reuse the existing causal model where applicable and preserve history.

Historical exercise invariant: changing the current definition of an exercise must never rewrite past session history. Historical occurrences keep their own recorded data. Catalogue changes apply to future uses according to the Core contract. If a requested change is incompatible with the existing identity, Core must reject it or create a new identity/mechanism under an explicit contract. No silent migration may rewrite the past merely to match the current catalogue.

Desktop/Core is the administration source. After creation, modification, or retirement, Android synchronization must reuse the v0.1.2 engine: USB first, with Drive as mirror/fallback. React must not introduce an Exercises-specific synchronization path. The future contract must first audit the existing catalogue, profile, BODY ZONES, and equipment artifacts to determine whether the planned changes are representable. Frozen formats remain frozen; if a new datum cannot be transported, a future contract must state that explicitly before any protocol change. No automatic synchronization is initiated by this surface.

Bounded v0.1.3 order

0.1.3
|
+-- WEB_EXERCISES_V1
|   |
|   +-- Core/catalogue characterization
|   +-- read-model contract
|   +-- command-service contract
|   +-- Web catalogue
|   +-- exercise detail
|   +-- creation
|   +-- modification
|   +-- causal retirement
|   +-- Android synchronization
|   +-- real validation
|
+-- ANDROID_UI_REDESIGN_V1
    |
    +-- current-state audit
    +-- UX/navigation contract
    +-- shell / buttons / components
    +-- active-session workflow
    +-- exercise-entry workflow
    +-- real visual review
    +-- accessibility validation

Next

Complete synchronization baseline

The frozen contract orders future bounded lots as environment/test, characterization, data/lifecycles, causal deletion, generation/consumption/ack, orchestrator/report, Web API, then button/refresh. The environment/test and characterization and data/lifecycle lots are complete. Enriched V4 history and the separate execution-draft codec are implemented behind explicit entry points, while active transport remains V3. Causal deletion is implemented and validated through explicit staged entry points, including both real producer directions for every contracted target kind; generation/consumption acknowledgement, orchestration/reporting, Web sync, the production generation MTP adapter and complete Android backup/restore are implemented on the development branch. The authorized private rollout, physical-device validation, signed update procedure, real backups, USB-priority exchange, and configured Drive mirror/fallback validation are complete. Broader deployment remains an explicit per-installation decision rather than a v0.1.3 product-development gate. WEB_DASHBOARD_V1=PASS/FROZEN remains closed and unchanged.

Gym catalog V1

Build an inventory from the equipment actually available in the user's gym. Keep physical equipment, exercises, movement patterns, muscles, and BODY ZONES distinct. One photographed machine may support several exercises. Record model or manufacturer only when evidence identifies it.

Exercise metadata V1

After the gym inventory is normalized, design any remaining structured metadata such as movement family and laterality. Reuse existing equipment and BODY ZONES identities; do not encode semantics in display names or notes.

Session Generator V2

Replace the hidden V1 product surface with duration-aware construction that can represent warm-up, ramp-up, main work, cool-down, transitions, setup time, and candidate scarcity without claiming unsupported physiological precision.

Session templates V1

Offer editable conveniences built on the real catalogue and planning model. Templates are not rigid prescriptions and never become performed work before normal capture.

Later

  • evolve training analytics only where sufficient real history supports the metric, without aggregating incomparable loads;
  • add body baseline and trend comparisons while keeping direct measurements distinct from estimates;
  • add conservative, editable progression suggestions with correct external-load and assistance interpretation;
  • support explicit user objectives without mandatory gamification;
  • add user-controlled dated backup and complete/period-limited exports.

Canonical order

TRAINLOG_WEB_EXERCISES_V1
        -> TRAINLOG_ANDROID_UI_REDESIGN_V1
        -> GYM_CATALOG_V1
        -> EXERCISE_METADATA_V1
        -> SESSION_GENERATOR_V2
        -> SESSION_TEMPLATES_V1
        -> ANALYTICS_EVOLUTION
        -> BODY_ANALYTICS_V2
        -> PROGRESSION_ASSIST_V1
        -> OBJECTIVES_V1
        -> BACKUP_EXPORT_V1

Independent outstanding validation gates

  • APP_SHELL_V1=IMPLEMENTED_AWAITING_VISUAL_REVIEW_2: its recorded legacy visual/accessibility review remains useful evidence, but the 0.1.3 Android redesign owns its own screen-by-screen decisions and validation.
  • TRAINLOG_AI_SESSION_DRAFT_V1=VALIDATION_PENDING: complete one real Drive plus Android-triggered bidirectional synchronization smoke test.

Permanent constraints

Do not regress to SQLite-file synchronization, a mandatory mounted Android filesystem, exercise-name identity heuristics, fake sets for continuous work, synthetic uniform actuals, ordinary training promoted to measured MAX, assistance interpreted as external load, or estimates presented as direct measurements. Incompatible exchange semantics require a new version. Web UI configuration remains outside training data, scientific/AI exports, session synchronization, and business SQLite. Browser, React, TUI, and Android must not query desktop tables or duplicate Core calculations.