Workflow: update the "Agenda" text -- processed by Claude

After the manual revision of the digest document `Discussion25Digest.txt`,
Claude-code was tasked to look at the differences and perform whatever
modifications were deemed necessary to the "Agenda" text.

__Note__: I have not touched anything in this Agenda yet, it is generated text altogether
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Workflow Workshop at FrOSCon 2026 -- working Agenda Workflow Workshop at FrOSCon-26 -- working Agenda
=================================================== =================================================
:Date: 2026-07-27 :Date: 2026-07-27
:Author: Hermann Voßeler :Author: Hermann Voßeler (Compilation)
:toc: :toc:
//MENU: label FrOSCon-26 Agenda //MENU: label FrOSCon-26 Agenda
************************************************************************
Working agenda for the planned in-person meeting at FrOSCon 2026
(St.Augustin), continuing the workflow design discussion between
Wouter Verwijlen and the Lumiera team. The items below are derived
from the link:Discussion25Digest.html[Discussion Digest 2025]: every
“open” point recorded there is a candidate; this page arranges them
into workable blocks and marks the intended outcome for each.
************************************************************************
// NOTE: draft compiled from the digest -- ordering, timeboxes and [abstract]
// priorities to be adjusted by the participants. Working agenda for the planned in-person meeting at FrOSCon-2026 in St.Augustin,
continuing the workflow design discussion between _Wouter Verwijlen_ and the
Lumiera team. The items collected here are derived from the status summaries of
the -> link:Discussion25Digest.html[Workflow Discussion Digest]: every point
marked as _open_ there is a candidate; this page arranges those points into
workable blocks and indicates the intended outcome for each.
CAUTION: Ordering, weighting and the time budget are to be decided by the
participants -- this is a menu to choose from, not a schedule.
The compilation was assisted by Knowledge-Technology (»AI«),
drawing on the status summaries of the discussion digest.
Orientation
-----------
Three topics stand out as _ripe for decision,_ since the discussion has already
circled them from several sides and merely stops short of a conclusion:
the *attachment gesture* (block 1), the *moving semantics* (block 2) and the
cluster around *nested clips and vertical space* (block 5) -- the latter being
the only topic that the digest itself flags as _``a prime candidate for the
next in-person discussion''._
The remaining blocks are exploratory: they open ground that the eMail discussion
either never reached (*Routing*), never treated systematically (*Trimming*),
or left at the level of principles without tangible form (*tools and modes*).
Whenever a proposal is weighed during the meeting, the working principles
distilled in the digest provide the yardstick:
- minimise the number of design elements
- map down / simplify down to known software behaviour
- the Gimp modifier pattern
- modifiers as limited resource
- power of defaults
And three standing checks apply to any concrete design considered here,
each of them an open point carried along since FrOSCon-25:
- can the gesture be mapped coherently onto _all_ control systems --
mouse, keyboard, pen, hardware controller?
- does it avoid ``surprising or non-deterministic (suddenly jumping)
behaviour'' -- the risk inherent in the placement concept?
- how does it play out for each of the
-> link:Discussion25Digest.html#personas[personas]?
Preparation Preparation
----------- -----------
- Read (or skim) the link:Discussion25Digest.html[Discussion Digest 2025]; - Read (or skim) the -> link:Discussion25Digest.html[Workflow Discussion Digest];
flag any point where the digest misrepresents your position. flag any point where the account misrepresents your position.
- _Wouter:_ current state of the editing *scenario catalogue* -- even a partial - _Wouter:_ current state of the editing *scenario catalogue* -- even a partial
collection helps as test material for blocks 1--3. collection provides test material for the blocks 1, 2 and 6.
- _Hermann:_ check which parts of the timeline UI can serve for hands-on - _Hermann:_ check which parts of the timeline UI could serve for demonstration,
demonstration (even in mock-up form), especially for the attachment even in rudimentary or mock-up form.
gesture question (block 1). - Collect any mockups and sketches produced since December 2025
- Collect any mockups / sketches produced since December (connection (connection visualisation, placement adjustment, palette layout).
visualisation, placement adjustment popups).
Block 1 -- The attachment gesture (decision) Block 1 -- Attaching clips: the decisive gesture
------------------------------------------------
_-- ready for decision --_
The point where the discussion paused in December 2025. Three status summaries
converge onto this single question, which is a good indication of its weight:
- how the placement prototype is established when
-> link:Discussion25Digest.html#adding[adding clips]
- the ``UI mechanics'' ensuring that clips added to the timeline indeed
get connected into clusters, whenever applicable
(-> link:Discussion25Digest.html#grouping-devices[grouping devices])
- how to establish the prototype in the first place
(-> link:Discussion25Digest.html#prototypes[placement prototypes])
Three candidate designs are on the table:
1. *context rule at drop location* -- proximity decides;
correction afterwards through the tool palette
2. *the hooking gesture* -- a marked change of drag direction over the target;
plus insertion by dropping onto the seam between two clips
3. *arrow connect* -- drop onto a clip, then position in a second step
Regarding the hooking gesture, Wouter stated he ``would like to try this,
to see how that would feel'' -- so if anything tangible can be shown at the
meeting, this is where it pays off. Otherwise a walk-through on paper,
against situations from the scenario catalogue.
Decisions to take along the way:
- how far the automatic mode reaches: magnetic only, or content-anchoring
as well (Wouter argued content-anchoring should require a deliberate act)
- the drop-location rules and their tuning: _how close is close?_
[role="summary"]
**********************************************************************
Aim:: settle on one primary design (or a definite combination), spelled
out precisely enough to be built; record the fallback option and the
criterion that would prompt a revision.
**********************************************************************
Block 2 -- Moving, rearranging and collisions
--------------------------------------------- ---------------------------------------------
_-- ready for decision --_
_The point where the discussion paused in December 2025_
(-> link:Discussion25Digest.html#adding[Adding clips and automatic placement setup]).
Three candidate designs for how a clip acquires its placement connections:
1. context rule at drop location (proximity: magnetic yes / content-anchor?)
2. the “hooking gesture” (change of drag direction over a target; seam-drop
for magnetic insertion)
3. arrow-connect (two-step: drop onto clip, then position via arrow)
Wouter explicitly wanted to _try_ the hooking gesture. If any form of
interactive mock-up is possible at the meeting, this is the block to use it;
otherwise paper walkthrough against scenarios from the catalogue.
Intended outcome::
Pick one primary design (or a concrete combination), well-defined enough
to be prototyped; note the fallback and the criteria for revisiting.
Related decisions to take along the way:
- how far the automatic mode reaches (magnetic only, or content-anchor with
explicit target selection)
- the exact drop-location rules and their tuning parameters (“how close is
close”)
Block 2 -- Moving semantics (decision)
---------------------------------------
-> link:Discussion25Digest.html#moving[Moving, rearranging and ripple behaviour] -> link:Discussion25Digest.html#moving[Moving, rearranging and ripple behaviour]
Open points, each small but consequential: Individually small questions, each with wide consequences:
- *Collision default*: block (with push-through resistance) vs. never-block / Collision default:: blocking (with a push-through resistance) versus
make-way (Resolve model). Homework reference: Kdenlive's default mode as a never-blocking / making way, as DaVinci Resolve does. Wouter suggested
specimen of blocking. Kdenlive's default mode as a specimen of blocking behaviour to try out.
- *Make-way side effects*: when clips move out of the way, may magnetic Making way:: if clips move aside, may their magnetic connections break?
connections break? Which reactions are shown during the gesture? And what is shown while the gesture is still in progress?
- *Reordering*: the mechanism for FCP-style drag reordering under magnetic Reordering:: the mechanism for drag-and-drop reordering under magnetic
placement -- “dragging while respecting all placements” vs. “dragging while placement -- ``dragging while respecting all placements'' versus
ignoring the selected clip's children”; which is default? ``dragging while ignoring the selected clip's children''. Which is default?
- *Modifier budget*: confirm the table -- Shift = add to selection, Direction:: identical connection semantics for horizontal and vertical
Alt = duplicate, Ctrl = the common “alternative behaviour” modifier dragging were proposed; the reaction to overlaps remains to be defined.
(Gimp pattern); snapping as toggle. Modifier budget:: confirm the table -- Shift = add to selection,
Alt = duplicate, Ctrl = the common ``alternative behaviour'' modifier
following the Gimp pattern; snapping as a toggle rather than a modifier.
Intended outcome:: The discussion regarding a general *ripple-trim function* is parked; it need
Defaults fixed for collision behaviour and reordering; modifier table only be reopened should the decisions here or in block 1 change the premise
confirmed; open corner cases delegated to the scenario catalogue. -- namely, that most clips end up connected by placements anyway.
[role="summary"]
**********************************************************************
Aim:: fix the defaults for collision behaviour and for reordering;
confirm the modifier table; hand the remaining corner cases over to
the scenario catalogue.
**********************************************************************
Block 3 -- Visual language (exploration / mockups) Block 3 -- Tools, modes and the contextual palette
--------------------------------------------------- ---------------------------------------------------
_-- design work --_
-> link:Discussion25Digest.html#tools-modes[Tools, modes, views and the contextual tool palette]
The principles are agreed -- tools as primary system, a default navigation tool,
contextual modes with fluid entry and exit, the palette as central device with
the Gimp modifier pattern -- while _most aspects of the tangible manifestation_
are still open. Notably:
- which modes are actually to be provided, and how they mesh up:
an inventory, together with the transitions between them
- how effect parameters and mixer strips can be reached under an overarching
navigation tool -- explicitly unresolved since FrOSCon-25
- and more generally: how far the navigation of the selection focus can
span the whole UI, beyond the timeline
- palette layout, and avoiding occlusion of the timeline content beneath it
This block underpins several others: the palette is the agreed place for
correcting placement prototypes (block 1), for the trim sub-modes (block 6),
and possibly for the gear switch (block 8).
[role="summary"]
**********************************************************************
Aim:: a first inventory of the modes and tools intended, with their
entry and exit conditions; agreement on what the palette must be able
to display.
**********************************************************************
Block 4 -- Visual language
--------------------------
_-- exploration, mockups --_
-> link:Discussion25Digest.html#grouping-devices[Grouping devices] / -> link:Discussion25Digest.html#grouping-devices[Grouping devices] /
link:Discussion25Digest.html#prototypes[Placement prototypes] -> link:Discussion25Digest.html#prototypes[Placement prototypes]
No existing NLE offers a model for displaying clip connections; colour is No existing NLE provides a model to copy for displaying clip connections;
largely reserved for the editor's own clip colourisation. To work on: and colour as a cue is largely spent already, since clip colourisation is a
vital organisational tool for the editor. To be worked on:
- indicating placement type per clip (lines/borders rather than colours) - indicating the placement type per clip -- lines and borders rather than colour
- marking the *group leader* of an implicit group - marking the *group leader* of an implicit group
- collision and diagnostic indicators (“why is this clip here?” -- - indicators for collisions, and the _derivation_ display
the derivation display) answering ``why does this clip sit here?''
- gesture feedback overlays: locked-clip indication, direction arrows - the interplay of implicit groups with explicit multi-selection
(the Priority-2 cues from - the Priority-2 gesture cues: which of the interacting clips stay locked
link:Discussion25Digest.html#gesture-concept[the gesture concept]) in place, which will move and in which direction
(-> link:Discussion25Digest.html#gesture-concept[the gesture concept]) --
noting that their feasibility depends on connectivity hints being pushed
into the GUI beforehand, which is yet to be sounded out
Intended outcome:: [role="summary"]
A shortlist of visual candidates worth drawing up properly after the **********************************************************************
meeting; agreement on what the minimum indicator set must convey. Aim:: a shortlist of visual candidates worth elaborating after the
meeting; agreement on the minimum set of indicators and what each
of them must convey.
**********************************************************************
Block 4 -- Nested clips, sections, vertical space (deep dive) Block 5 -- Nested clips, sections and vertical space
-------------------------------------------------------------- -----------------------------------------------------
_-- deep dive; flagged in the digest --_
_The least-resolved cluster of the Grouping area_ -> link:Discussion25Digest.html#sections[Sections and the narrative structure] /
(-> link:Discussion25Digest.html#sections[Sections and the narrative structure] / -> link:Discussion25Digest.html#layering[Tracks, layering and vertical space]
link:Discussion25Digest.html#layering[Tracks, layering and vertical space]).
- Can nested sequences deliver the lightweight, always-visible quality of The least resolved cluster of the Grouping area, and the one the digest
Wouter's *sections* proposal (named headers, drag-to-reorder scenes, itself marks for in-person discussion.
per-section versioning)? What exactly is missing?
- Vertical screen real estate: inline rendering of nested content sharing
track space (Hermann's sketches from April 2025 as starting point);
stepwise expand/collapse; condensed previews; the popup-portal idea
and its misclick problem.
- The layering-order override (content fixed above a reference clip):
define the practical test that FrOSCon-25 called for.
Intended outcome:: - can nested sequences actually deliver the lightweight, always-visible
A shared picture of how a nested clip appears in each state quality of Wouter's *sections* proposal -- drag-to-reorder of scenes,
(collapsed / condensed / expanded / opened), concrete enough to mock up; section headers in the ruler, per-section versioning? What is missing?
decision whether sections need any dedicated support beyond nested - vertical screen real estate: inline rendering of nested content sharing
sequences + placements. the surrounding track space, taking the sketches from April 2025 as
starting point (now reproduced in the digest)
- a precise definition of the gradual *expand / collapse* steps, so that the
overall timeline stays balanced and excess complexity can remain hidden
- the *popup portal* idea needs elaboration -- including the misclick problem
Wouter raised himself
- the layering-order override (content fixed above a reference clip):
define the practical test that FrOSCon-25 called for
[role="summary"]
**********************************************************************
Aim:: a shared picture of how a nested clip appears in each of its states
-- collapsed, condensed, expanded, opened -- concrete enough to be drawn
up; and a decision whether sections require any dedicated support beyond
nested sequences plus placements.
**********************************************************************
Block 5 -- Trimming deep dive (exploration) Block 6 -- Trimming
-------------------------------------------- -------------------
_-- deep dive --_
_Never had its dedicated round in the mail discussion_ -> link:Discussion25Digest.html#trimming[Trimming]
(-> link:Discussion25Digest.html#trimming[Trimming]).
- walk through Wouter's document proposal (clip-based trim-side selection, Trimming was touched frequently, yet never received a dedicated round;
three commands, contextual trim mode, no sync locks) as a whole together with Routing it is the least covered core area -- while both
- interplay with placement connections: what exactly ripples when trimming participants consider it the very heart of the editor's work.
magnetic / content-anchored neighbours (behaviour matrix as reference)
- clip selection vs. trim-side selection: mutually exclusive?
toggling? how does this respect sticky selections?
- keyboard bindings for trim operations; dynamic trimming via playback
Intended outcome:: - walk through Wouter's document proposal as a whole: clip-based trim-side
Confirm or amend the document proposal as the working trimming design; selection, the three commands, trim mode as a contextual mode, no sync locks
produce the list of trim scenarios for the catalogue. - the interplay with placement connections in detail: what exactly ripples
when trimming magnetic or content-anchored neighbours
(the prototype behaviour matrix serves as reference)
- clip selection versus trim-side selection: mutually exclusive, or toggled?
And how does either respect a sticky selection, without introducing yet
another mode?
- keyboard bindings for the trim operations; dynamic trimming during playback
[role="summary"]
**********************************************************************
Aim:: confirm or amend the document proposal as the working design for
trimming; compile the list of trim situations to be added to the
scenario catalogue.
**********************************************************************
Block 6 -- Routing groundwork (open the quadrant) Block 7 -- Routing groundwork
-------------------------------------------------- -----------------------------
_-- exploration: opening the quadrant --_
_The one area of the 2025-08-24 topic plan that was never discussed_ -> link:Discussion25Digest.html#tagging[Organising footage] /
(-> link:Discussion25Digest.html#tagging[Organising footage] / -> link:Discussion25Digest.html#layering[Layering]
link:Discussion25Digest.html#layering[Layering]).
The one area of the 2025 topic plan that was never entered. A caveat applies
throughout: everything concerning the organisation of material within the
session is to be treated as an indication of _``features we would like to
have''_ -- the handling of »assets« in Lumiera is still at a very early,
conceptual stage.
- default routing rules: what happens without any user intervention - default routing rules: what happens without any user intervention
- tag-based routing in detail: tag taxonomy, tagging effort, auto-detection, - tag-based routing in detail: tag taxonomy, the manual effort involved,
relation to bins/project view automatic detection, and the relation to bins and the project view
- explicit wiring (“plugs”): which user-visible form, if any, in the first - explicit wiring (»plugs«): which user-visible form, if any, in a first
iteration iteration
- mixing groups, sub-mixes, and what replaces track mute/solo - mixing groups and sub-mixes -- and what replaces mute/solo per track,
once the global track order is given up
Intended outcome:: [role="summary"]
Not decisions -- a structured map of the routing questions, so this area **********************************************************************
can be worked through by mail like Grouping was. Aim:: not decisions, but a structured map of the routing questions, so
that this area can be worked through by eMail the way Grouping was --
separating what can be settled now from what has to wait until the
handling of assets has matured.
**********************************************************************
Block 7 -- Smaller items (round-up) Block 8 -- Round-up
------------------------------------ -------------------
_-- smaller items --_
- *Gear switch activation*: sub-mode of tools vs. always active for keyboard Gear switch:: -> link:Discussion25Digest.html#gear[The gear switch] +
users; dedicated per-gear bindings in parallel? Open: the activation model (sub-mode of tools versus always available for
(-> link:Discussion25Digest.html#gear[The gear switch]) keyboard users); whether dedicated per-gear bindings should exist in
- *Navigation tool scope*: reaching effect parameters and mixer strips under parallel; to what degree and in which scope a gear setting is remembered;
the overarching navigation tool -- unresolved since FrOSCon-25 and the actual gear scales per context. Since feasibility presumably has
(-> link:Discussion25Digest.html#tools-modes[Tools, modes, views]). to be determined by prototyping, the aim here is to scope such an
- *Placement edge cases* from Wouter's catalogue: swapping clips of different experiment rather than to decide the design.
placement types, offset inheritance, anchor deletion Placement edge cases:: -> link:Discussion25Digest.html#prototypes[Placement prototypes] +
(-> link:Discussion25Digest.html#prototypes[Placement prototypes]). From Wouter's catalogue: swapping clips of differing placement types,
the inheritance of offsets, and the deletion of an anchor.
Placement selection by keyboard:: -> link:Discussion25Digest.html#keybindings[Keybindings] +
Cycling through the prototypes versus Blender-style key-popup menus --
a choice that hinges on the number of prototypes remaining at three.
Default keybindings:: -> link:Discussion25Digest.html#keybindings[Keybindings] +
Still open, yet presumably premature: the concrete default bindings can
only settle once the gesture vocabulary from the blocks 1, 3 and 6 has
taken shape. Worth a brief decision whether to open this at all.
Block 8 -- Process Block 9 -- Process
------------------ ------------------
- publication path for the *scenario catalogue* (PDF -> Asciidoc, as with the - publication path for the *scenario catalogue* (PDF -> Asciidoc, as was
Proposals document) done with the Proposals document)
- Wouter's offer to work directly in Asciidoc / git for future document - Wouter's offer to work directly in Asciidoc and Git for future updates
updates of the »Workflow Proposals«
- roadmap towards the actual *design document*: which digest topics are ripe - the road towards an actual *design document*
to be rewritten as specification (-> link:Discussion25Digest.html#method[working method]):
- applying the *personas* to prioritise: a first pass ordering the agreed which of the digest topics are ripe to be rewritten as specification,
features (-> link:Discussion25Digest.html#personas[Target audience]) and in which order
- rhythm and channel for the continued discussion after the meeting - applying the -> link:Discussion25Digest.html#personas[personas]:
a first pass at ordering the agreed features by priority
- the toolkit question (-> link:Discussion25Digest.html#scope[scope and priorities]):
no decision is pending and no change of course intended, yet Wouter's
concern is on record and the direction of GTK development is being
watched -- a brief status exchange, if desired
- rhythm and channel for continuing the discussion after the meeting