ImageCompare — Feature Coverage Dashboard

webview Right/Left switch modality

webview Right/Left switch modality

webview Down/Up move between tuples

webview Down/Up move between tuples

webview number keys jump to a modality

webview Space (hold) flips to the previous modality

webview ] key reorder also keeps tooltips correct

webview reorders the current modality left

webview Enter toggles a winner and posts setWinner

webview C enters crop mode

webview Escape cancels crop mode
webview wheel zooms in; Escape resets

webview a tuple-unit host gets deleteTuple
webview an image-unit host gets deleteImage
webview a reordered strip still names the original column

webview wheel zooms in; Escape resets

webview drag pans the image when zoomed in

webview clicking a modality pill switches modality

unit compounds the zoom step
webview Alt makes a zoom notch travel further

unit clamps at both ends

unit converts a line-mode delta into pixels
webview a line-mode wheel scrolls rows, not pixels

webview shows the floating panel tools
webview C enters crop mode

webview shows the floating panel tools
unit tupleDeleted -> refresh -> re-save in that order
unit re-saves after EVERY step
unit indices pre-shifted for earlier splices
unit deletes every file before executing the removal plan
unit files, tupleDeleted, refresh, save

webview shows the floating panel tools
webview PPTX export with no votes sends the whole view with null winners
webview PPTX button goes busy on click and ignores re-clicks
webview pptxError clears the busy state
unit emits one plain slide per modality
unit orders slides by modalityOrder
unit marks exactly the winner caption
unit a voted crop never ships without its parent
unit increments past the max existing number
unit speaks the canon sequence
unit posts pptxError exactly once

webview collapse button toggles the floating panel

webview C enters crop mode

webview drawing sets a crop rect

webview Enter posts cropImages

webview Escape cancels crop mode

unit max across modality dirs
unit clamps width and height to the image bounds
unit speaks the canon transcript
unit numbers past the max existing crop
unit injects the crop meta as a readable tEXt chunk
unit reports cropComplete when renderCrop returns plain Uint8Array bytes

unit names each crop after the image it is cut from
unit separates two images whose stems collide across extensions
unit numbers against the image's own listing
unit names each crop after its own image in a file list
unit keeps the one shared name where the columns are directories

unit lands a file list's crops on disk without adding them
unit still lands every arrival, then cropComplete, then thumbnails

unit divides x/w by the width and y/h by the height
unit round-trips through scaleAndClampRect

unit viewer center maps to image center
unit are inverses
unit carousel offset

webview a pill drag moves both the pill name and its path tooltip

webview a pill drag moves both the pill name and its path tooltip
webview ] key reorder also keeps tooltips correct

unit a watcher-inserted modality preserves the user rearrangement
webview custom order and focus survive an insert

webview dragging a pill 0 -> 2 moves it, the pills between close up
webview a click, and a 3 px wobble, select the pill without reordering
webview a CDP pen tap on a pill selects it with exactly one click on the pill
webview a pen down and up with no click from the engine selects the pill with exactly one click
webview a lifted end pill, its lift scale included, stays within the row's ends at either end of a drag
webview under fractional pill widths the drop slot turns at the true midpoint and the pills slide by the true pitch
webview a press during a landed pill's glide leaves the glide running and measures the row at rest

webview a held pill lifts with one vibration and drags 0 -> 2
webview a held first pill is drawn within the row's near end from the moment it lifts

unit a vote on a pill strictly between from and to follows that pill
unit moving 0 -> 2 of four
webview dragging a pill 0 -> 2 moves it, the pills between close up

webview dragging a pill that is not current does not select it
webview and a tap 50 ms after the drop selects
webview and a tap 50 ms after its fling selects
webview a real mouse click 50 ms after a mouse drag drop selects the pill

webview a lostpointercapture at the lifted pill mid-drag does not end the drag

webview long row: a drag restyles only the pills it passes
unit exactly at a neighbour midpoint does not pass it; strictly beyond does (right)
unit moving right: the pills it passed slide left by one shift

webview a quick swipe scrolls the row and reorders nothing
webview a touchstart on a pill arrives default-prevented

webview the reorder buttons are gone and [ ] still reorder

webview Enter toggles a winner and posts setWinner

webview clicking a carousel winner circle posts setWinner

unit mouse voting is disabled below 3x the winner-circle size

integration write then read round-trips
unit maps winner indices to durable modality names
integration CRLF-encoded results
unit serializes the exact header and vote lines
unit round-trips through serialize and parse
unit empty winners delete the results file
unit winners serialize through the shared format

webview renders the viewer and ingests fixtures
unit plans slots in scanline order
unit reports a slot whose modality the tuple lacks as missing
unit zero-item terminal case
unit missing slots error out first
unit zero items still posts the terminal progress tick
webview corrupt thumbnail payload falls back to the error placeholder
webview restores the tile and re-arms the retry
webview pool rebinds after a decode failure keep the placeholder
webview a recycled empty tile paints exactly like a never-filled one
webview every visible tile carries a decodable src
unit the blank tile src is a decodable 1x1 fully transparent png
webview a genuinely missing slot still shows the

unit a pack-slice thumbnail is copied tight before it is posted
unit an on-demand re-request posts the same tight binary shape
unit revokes the superseded url and never the incoming one
unit adopts the successor before revoking the loser
unit stores the placeholder data url but never revokes it
unit delete and clear revoke exactly what they drop
unit re-keys a row removal
webview a thumbnail payload paints from an object url
webview a superseded delivery releases exactly one url
webview pooled-row rebinds repaint from the cache without revoking a live url
webview the error placeholder releases the slot url and a re-init releases all of them
webview standalone build boots the real webview

webview virtualized carousel binds a pool row to each visible tuple

webview clicking a carousel thumbnail navigates

unit centres the item in the viewport
webview an arrow key moves the carousel horizontally

unit multiplies a linear scroll
webview Alt makes a carousel wheel notch travel further

webview travels their exact sum, in one apply

webview searches the carousel DOM zero times

webview a gesture binds blank tiles, and they fill once it settles

unit is bounded by the viewport, not the modality count
webview doubling the modalities does not grow the DOM

unit advances by one column per pitch scrolled
webview scrolling the strip materializes later columns

webview a fine primary pointer keeps the desktop layout
webview a coarse primary pointer gets touch-ui

webview a fine primary pointer keeps the desktop layout
webview a coarse primary pointer gets touch-ui

webview a sideways swipe on the image steps modality and skips a hidden one

webview an up swipe on the image steps to the next tuple, a down swipe back

webview touch and hold on the image flips to the previous modality until release

webview a two-finger pinch zooms, and lifting one finger never swipes
webview two fingers dragged together pan the image

webview a tap on the zoom readout resets zoom and pan

webview opens a full-width strip; a tile tap navigates and closes it
webview a finger drag scrolls its rows and taps nothing
webview a single-tuple comparison (no ▦) has nothing before the pill row either
webview follows the strip class main.ts sets, and the shell CSS uses no :has()
webview the ▦ icon is an SVG centred in its 40 px button

webview no context menu, path tooltip, Tools panel or vote circle
webview a finger on the image never reaches the mouse handlers
webview a hovered pill keeps its resting look where the primary pointer cannot hover

webview help shows the touch rows and hides the keyboard rows

webview renders the viewer and ingests fixtures
unit builds the init message with dense tuples
unit densifies tuples
unit defaults colors to the positional palette

webview renders a modality pill per modality

webview active modality pill reflects current modality

unit a hidden neighbour is skipped
unit a run of hidden pills is skipped in one step

webview renders the viewer and ingests fixtures

unit a missing image posts exactly one imageError
unit a passthrough extension serves the original bytes
unit a convert failure posts exactly one imageError

webview opens the help modal and Esc closes it
webview help modal fits entirely within a small viewport
webview help table lists mode-dependent and mouse inputs

webview copy writes the displayed image to the clipboard
webview copy after navigation writes the currently displayed image

webview help modal shows the ImageCompare version carried by init
webview no version in init renders no footer

webview right-clicking the image offers the image items

webview right-clicking a pill offers the pill items

unit the same menu minus exactly the items it cannot serve
webview a host that cannot reveal is never offered the item

unit keeps the two local items reachable
webview a host action the webview cannot perform goes to the host

webview Escape dismisses the menu
webview a click elsewhere dismisses the menu
webview keys do not act behind an open menu
webview the menu closes when the host re-indexes

unit derives help text that names only what this host offers
webview the help modal names only the items this host offers

unit keeps the wording the vscode notifications used
webview a host event is worded by the webview

unit offers the reveal action only to a host that can reveal
webview a host that cannot reveal gets the same words and no action

webview a faded action notice stops taking clicks

unit never offers an action on a failure
webview a failed export is toned as a failure

webview the pill row is one scrollable strip

webview nothing in the bar precedes the pill row: no empty ▦ box and no gap before the first pill
webview a single-tuple comparison (no ▦) has nothing before the pill row either

webview a wheel over the pill row scrolls it

webview an arrow key teleports the pill row
webview a digit jump and a pill click centre the same way

webview the active pill's focus ring is not clipped
webview a hovered, current end pill 200 px wide paints inside the row at either scroll end
webview a hovered, current sole pill 200 px wide paints inside the row

webview no scrollbar paints over the pill row

webview mutates classes only, never the labels

webview navigation slides the pill row, a wheel jumps it

integration mode 1: single dir

unit a directory of loose images opens as the file list it is
unit excludes this app own _cropNN writes
unit shows the crops anyway when excluding them would leave nothing

unit opens a single image subdir as mode 1 with that one column
unit prefers the structure: one imageful subdir wins
unit keeps mode 2 at two columns

integration partial tuple when a modality is missing

unit scanForImages follows symlinks
integration a dangling symlink types as SymbolicLink and never as File

unit issues all 11 directory listings at once
unit overlaps the subdirectory listings of a mode-1 root
unit caps the fan-out at exactly 16 and lists in waves
unit keeps the caller order when the directories resolve slowest-first
unit keeps the caller order across concurrency waves
unit propagates the earliest failing directory
unit sorts each directory naturally, whatever order the listing returns
unit survives a scrambled completion order over 12 directories
unit one very slow directory in the middle finishes last

integration PPMX files are scanned

unit matches identical basenames

unit _pred file matches the _gt original

unit exact-basename sibling fills the free slot
unit a taken slot means a new tuple
unit post-crop sequence
unit shifts winners and the current index up

unit a steady-state cycle costs one pooled task per watched directory
unit the cycle cost does not grow with the number of files
unit a real deletion is still detected
unit a modality directory that cannot be listed still reports its files gone
unit a tracked file that became a dangling symlink is reported gone
unit a tracked file under no listed directory keeps its own existence check
unit costs one pooled task per watched dir, not one per file
unit whose existence probe reports the link, not its target

webview every row deleted leaves a notice, not a spinner over the last frame
webview the last frame does not survive the last row
webview every modality removed leaves the same notice
webview a comparison whose folder is gone names the folder instead
webview a folder that comes back clears the notice and shows its images
unit says nothing while there is anything to draw
unit speaks at zero rows, whatever the columns say
unit speaks at zero columns, though the emptied rows survive
unit names the folder when the host established the root is gone
unit distinguishes an emptied comparison from a folder that went away
unit falls silent again as soon as content returns
unit the comparison root going away is reported by name
unit the root coming back clears the notice
unit a root that merely cannot be listed reports nothing
unit then re-adopts the column and rows when it comes back
unit re-arms a watcher for every re-adopted directory
unit adds nothing a second time when the next sweep sees the same recreated tree

unit same display names for equivalent POSIX paths
unit Windows drive-letter paths disambiguate
unit a Windows watched dir reaches node as a drive-rooted path
unit a POSIX watched dir is handed through byte for byte
unit a delete it reports carries the tracked URI
unit still lands as a delete, though the probe calls it present

unit round-trips crop metadata
unit injects and reads back a value

unit round-trip — every key comes back byte-identical
unit uuid mismatch between idx and pack is rejected
unit dispose() publishes the pending pack instead of dropping it
unit flush() resolves only once the pack and idx are on disk
unit flush() also waits for the per-entry .jpg writes it started
unit the shared bed teardown does not return while a cache write is still in flight
unit never publishes an empty pack over a good one
unit the pack a close left behind serves the next open

unit an in-place overwrite with identical mtime and size serves the new pixels
unit a fresh service re-reads the overwritten file
unit a superseded key is evicted

unit a week-old pack that is serving this session survives the sweep
unit a week-old pack nobody opened still expires
unit a pack deleted under a live session is republished by the close
unit a symlinked cache entry expires by age
integration a symlinked cache entry lists as File|SymbolicLink and still expires by age

unit generates a real thumbnail when Sharp is unavailable
unit converts a full image to PNG when Sharp is unavailable

unit retries on Unsupported CPU with native @img blocked
unit restores the process-global resolver after a successful WASM retry
unit returns null instead of throwing when the WASM tier fails too
unit does not retry an error that is not the CPU/loader signature

unit serializeSessionFile — relative only when every path is inside destDir

unit version gate — missing and current pass, future is rejected

unit the mode table (modePolicy.ts, real code)
unit carries whichever delete unit the host declares
webview the help row and the button hint follow the declared unit
webview a tuple-unit host keeps the row wording
webview standalone opens a folder of loose images

unit export output directory (exportTarget.ts, real code)

integration extension is present and activates

integration openInCompare command is registered

unit sizes from usable parallelism
unit an explicit width override wins
unit clamps the pool width

unit writes a tagged line to the ImageCompare channel with an elapsed prefix
unit turning debug on at runtime starts logging without re-activation
unit disposes the output channel when the extension subscription is disposed
unit an idle window stops repeating itself
unit a pool with work in it is reported every cycle
unit a cycle that finds a deletion still reports it

unit renders one line whose spans are the differences between consecutive marks
unit time between marked spans is reported as `other`, never absorbed into a neighbour
unit sendInitData closes the trace and logs exactly one [IC-OPEN] line, ahead of the sweep
unit reports the serialized init payload size, measured on the payload that was posted
unit counts the image files handed to the matcher, and times the matcher inside the scan
unit the html mark sits at the html assignment
unit the ready mark sits at the top of the ready handler
unit the sweep mark sits at the sweep

unit debug off: the message thunk is never invoked and nothing reaches the channel
unit the init payload is serialized for its size only inside the trace gate
unit debug off: the scan carries no stats at all
unit debug off: serving thumbnails updates no counter at all
unit turning debug off at runtime stops the counters mid-session
unit no debugLog call in fileService.ts runs without a debugEnabled() guard
unit serializes the init payload exactly once with debug on, and never with it off

unit a dense wave logs issuance and a rollup carrying the loaded bytes
unit a wave whose FIRST slot has no image still logs both lines
unit a wave with a hole in the middle still logs both lines
unit still rolls the wave up on the debug channel

unit the policy never withholds a user-facing push
unit a user-facing image posted mid-wave is not queued behind speculative bytes
unit never withholds a user-facing push — not while sweeping, not over budget

unit the sweep drains without a prefetch wave on the wire
unit every thumbnail has crossed the wire in under 1.5 virtual seconds
unit withholds every speculative push while a bulk sweep drains
unit deferred speculation is delivered, not dropped, once the sweep ends

unit speculative bytes in flight stay inside the budget
unit bounds speculation in bytes, not in messages
unit lets one over-budget image go alone
unit is unlimited on a local session, whatever the setting says
unit with the budget off (local session) the wave still head-of-line blocks

unit releases the wire when a synchronous throw escapes the sweep prologue
unit releases the wire when the sweep stops making progress
unit does not cut short a sweep that is still settling slots
unit ends once when a dispose abandons it

unit a new tuple inserted ahead of them shifts both
unit a removed tuple drops its own posts and shifts the ones behind it down
unit a modality splice drops them, exactly as it clears loadedImages

unit drops the parked payload the moment the delete is seen
unit drops a payload parked inside the rename window when the delete commits
unit drops the stale payload when the file comes back under its own name
unit drops the stale payload when a rename lands on the slot
unit drops the stale payload when the file is rewritten in place
unit drops the stale payload a forceReload retry is asking past
unit never lets a held burst payload for a deleted slot reach the wire
unit leaves the park alone when the byte cache merely evicts a live distant slot

unit a park released mid-scrub trickles out one payload per tick

unit dispose clears the outstanding ack watchdogs

unit every fs.watch handle the open created is closed with the panel
unit the delete-poll interval is cleared with the panel

unit a cold read counts as generated, the repeat as memory
unit a fresh service reading the published pack counts as pack
unit a per-entry JPEG with no pack counts as disk
unit six concurrent pack hits report their own work
unit the one-off pack read is reported once
unit the tiers BELOW the pack inherit the same shared wait
unit the verbose per-thumbnail line separates the item ms from the wait
unit the sweep rollup prints the shared read once

integration CRLF-encoded results
unit parses CRLF-encoded results text

unit builds every VS Code platform target plus a universal fallback
unit gives each native target npm flags that match its platform
unit passes the matrix libc through to npm
unit prunes the natives npm restores, keeping only the target pair
unit registers a packed-VSIX binary expectation for every matrix target
unit keeps the scan body free of the quote that would truncate it
unit accepts every pruned leg, including the two win32 shapes and universal
unit rejects the four-tier linux-arm64 shape that 0.4.0 shipped
unit rejects the pre-prune shape on every leg that can carry one, universal included
unit runs the whole step under a real shell: exit 0 for a conforming VSIX, exit 1 for a stray
unit still fails a VSIX that lost the WASM tier, or its own native binary, or names no known target

unit defines exactly the jobs these cases reason about
unit builds every platform target and universal on a pull_request
unit keeps the ten-leg recipe in exactly one workflow
unit cannot reach either marketplace, or the post-publish check
unit skips its own test and test-full jobs on a pull_request
unit still runs the whole chain on a tag when both gates pass
unit refuses to build on a tag when either gate failed or was cancelled
unit cancels a superseded pull-request run and never a tag run
unit models the Actions semantics these cases lean on

webview a navigation requests only the modality on screen
unit requests exactly the on-screen modality and defers every sibling

unit leads with the on-screen column, then the nearest sibling either side
unit never widens past three columns, however wide the tuple
unit never speculates on a hidden column
unit issues the visible column and its nearest siblings, not every modality of every neighbour
unit never speculates on a neighbour column the user is nowhere near
webview tupleFullyLoaded reports the strip as displayed

unit issues every neighbour's on-screen column before any sibling column
unit is three columns per tuple at the field shape, not ten
unit caches the on-screen column of both neighbours

webview a burst of navigations never asks for the siblings of the tuples it passes

webview the siblings follow after the dwell, nearest-first over the display order
unit orders nearest-first, forward before backward at equal distance
unit measures distance over the user-rearranged display order

webview hidden modalities are never speculated on
unit skips hidden modalities entirely

webview flipping to a sibling inside the dwell window loads it at once

webview a flip after the dwell re-asks a tail-ranked slot at VISIBLE
unit re-asks when the slot is queued below the rank now needed

unit the sibling tail never takes a slot another class has queued work for
unit yields every slot to the thumbnail sweep while it has work

unit keeps at most the current tuple queued while browsing six tuples
unit cancels the panel's tuple loads on dispose

unit walks outward from the centre row, forward first on a tie
unit fills the focused row and column interleaved, then the rest row-major centre-out
unit stops the column arm at the radius and finishes row-major
unit a radius past the ends of the grid is simply the whole column
unit a radius of zero is still one row of cross
unit stops the cross at the screenful the webview reported
unit alternates the two arms one slot each
unit an arm that runs out lets the other continue
unit skips empty cells without spending an arm turn on them
unit ranks columns by the strip as shown
unit hidden columns are swept last, never dropped
unit the focused column is swept first even when the user has hidden it
unit aims at the column the webview reports
unit drops nothing while the host reports the same tile from a fresh object
unit a centre moved mid-walk re-aims the remainder
unit the current row and its neighbours are dispatched first
unit starts at the row the panel opened on and walks outward
unit re-aims mid-sweep when setCurrentTuple moves the panel
unit serves the new centre after one running batch
unit serves the row the user jumped to after one running batch
unit drops only the sweep's own queue
unit dispatches its first chunk as one centre-out band, reading the centre once
unit finishes a grid under a centre that moves on every read, instead of livelocking
unit re-aims the sweep exactly once, after the burst ends
unit still cancels the tuple being left on every keystroke
unit a hidden panel dwells without re-aiming
unit leaves no dwell pending when the panel is disposed mid-burst
unit holds the dwell open for a whole burst and re-aims once
unit waits the navigation debounce, not a dwell of its own invention
unit opens the sweep at the tuple its host reports
unit drives the same burst through the real provider and the real standalone adapter
webview clicking a tile in another column reports that column at once
webview the reported column is the display position within the reported order
webview an arrow-key column move reports its column once the burst settles
webview a held arrow key reports once, at the column the burst ended on
webview a digit jump reports the column it landed on
webview a bracket reorder reports the strip it rearranged
webview a click inside the dwell window cancels the pending key report
webview a pill click reports its column at once, with no dwell
unit holds a held key open for the whole burst and reports once
unit reports exactly once for a settled keypress
unit reports once per settled keypress
unit reports a picked column at once, with no dwell of any kind
unit lets a pick cancel a burst still waiting
unit lets a key re-arm after a pick

unit every slot is handed out exactly once however often the centre jumps
unit a returned slot is handed out again exactly once
unit every slot is delivered exactly once when the centre moves on every batch
unit settles a disposed panel's cancellations instead of returning them
unit stops reading the grid the moment the panel is disposed
unit reads nothing new after the close, where it used to read the rest of the grid
unit a host that does not cancel its own queue still stops within one chunk
unit resolves without dispatching anything when the host was already gone at sweep start
unit abandons what the cursor still holds, where a re-aim returns what it dropped
unit every planned slot is delivered exactly once, and the tail is swept
unit rows with no planned items are skipped
unit a centre past the ends is clamped to the grid
unit hands out every planned slot exactly once across 350 seeded schedules
unit hands out every planned slot exactly once across 300 seeded schedules
unit hands back a slot the walk has passed on the column axis
unit returns a slot at the radius boundary the remainder has already passed
unit a non-finite radius reads as no report
unit a slot returned after the aim moved is re-placed by the NEW aim
unit drops the queue when only the COLUMN moves
unit settles every slot exactly once and ends, across 24 seeded runs

unit keeps at most `chunk` slots outstanding and refills as they settle
unit the default dispatch bound is SWEEP_CHUNK
unit keeps at most SWEEP_CHUNK slots in flight, not the whole grid

unit alternates between two groups where a single FIFO drained the first group whole
unit keeps plain FIFO within a group
unit a group that joins late enters the rotation
unit cancelling one group leaves the other group's order and the rotation intact
unit serves the second tab within one batch instead of after the first tab's whole queued chunk
unit splits the bulk slots roughly evenly once both tabs are sweeping
unit gives a second comparison tab a slot in the first batch

unit stops taking bulk slots within one running batch
unit delivers every owed slot exactly once when the panel comes back
unit a sweep paused before its first dispatch waits for the resume
unit a dispose while paused still ends the sweep
unit reads nothing more while hidden and finishes every slot exactly once when shown again
unit gives the wire claim back when a hidden panel is disposed
unit the sweep's chunk is the whole cost of hiding

webview standalone build boots the real webview and matches via the real scanForImages
webview standalone landing shows the ported dropzone chrome
unit standalone artifact freshness

unit provides every Buffer static the shared modules call
unit isBuffer discriminates shim buffers from plain Uint8Array

unit clamps the pool width

unit pollPlan diffSnapshots
unit pollPlan pairRenames
unit commitSlotRemoval
webview standalone poll detects an external new file as a granular tupleAdded
webview standalone poll delivers external deletes, content changes and results.txt edits
webview standalone re-open cancels the previous root
webview standalone poll re-verifies a removal with stat before reporting it
webview standalone re-open stops the old root poll timer and observer

unit adoptionPlan newModalityDirCandidates
unit adoptionPlan adoptableImages
unit adoptionPlan applyModalityInsert
webview standalone poll adopts a modality directory copied in after boot
webview standalone poll executes a modality dir rename as remove-then-adopt
webview standalone poll orders a same-cycle dir rename remove-then-adopt within one cycle
webview standalone re-open picks up a modality dir added while the comparison was open

unit pollPlan planSweepDirs
unit pollPlan planDirSweep

webview standalone no-FSA drop path walks webkit entries into the read-only backend
webview standalone landing falls back to the read-only picker without FSA

webview standalone page published next to an imagecompare.json opens that comparison, its listed files read-only
webview copies a published image's URL as its path
webview standalone page with no imagecompare.json beside it keeps the landing
webview standalone page reports a manifest that reaches outside its directory instead of opening it
unit returns the listed relative paths in manifest order
unit rejects a manifest with no files
unit rejects paths that leave the page directory
unit reports a page that is not JSON as a parse failure, not a comparison
unit lists the manifest as a folder whose subdirectories are the columns
unit reads each file through the injected fetch by its manifest-relative path, lazily, not at listing time
unit is read-only: nothing a published page lists can be written or deleted

webview keeps the viewer's votes across a reload and copies them out as results.txt
webview the results.txt button shows with copyResults and voting, and posts copyResults
webview the results.txt button stays hidden where voting is off
unit words the results.txt copy outcomes
unit survives a reload: a fresh layer over the same store and namespace sees the viewer
unit falls back to memory for the visit when the store refuses
unit loses only the write the store refuses
webview copies results.txt on a plain-http host, where the async clipboard API is absent

webview keeps the viewer's crops across a reload and deletes them, never an original
webview standalone published comparison does not poll
unit is writable, and merges its own files into the published listing
unit reads its own files without a fetch, and published ones through it
unit prefers the layer when it holds a path the listing also has
unit refuses to write or delete a published file or directory
unit and a delete of nothing is not found

unit states the flags a published page offers per regime
unit holds the claude-artifact publish limits, decimal megabytes
unit throws for a regime it does not have rather than defaulting
unit reads the hosting regime, absent meaning static
unit reports a host the regime table does not know instead of opening
unit claims neither a PPTX export nor a results copy when nothing is stated
webview standalone page reports a manifest naming an unknown host instead of opening it
webview a host that cannot hand over a file shows no PPTX button and is never sent an export
webview a host that can shows the PPTX button, and no results.txt button unless it copies votes
webview an init stating no flags offers neither

unit to another sharing the store
unit drops the manifest filename, query and fragment
unit separates sibling and nested comparisons on one origin
webview standalone published comparisons in sibling directories keep separate votes

webview draws the strip from packed thumbnails without fetching the images
webview falls back to the full images when the thumbs file is missing
webview falls back to the full images when the thumbs file is malformed
webview decodes an image the thumbs file has no entry for
webview loads the open row while the thumbs file is still downloading
unit parses entries keyed by listed path
unit drops a missing, malformed or unknown-format file and keeps the others
unit gives up on a file that never answers instead of stalling the strip
unit decodes bad base64 to null, so the caller decodes the full image
unit reads the thumbs list, absent meaning none
unit reports a thumbs list that is empty, not a list, or leaves the page directory

unit lays a folder of image columns out as it is, ignoring loose files, non-images and results.txt
unit makes each directory of a multi-directory session a column named by its label
unit refuses a file-list session whose files share a name, which a flat layout cannot hold
unit stages the page, manifest, thumbs, plan and every image byte for byte
unit packs one thumbnail per listed image: longest side 200, never enlarged, PNG for PNG and JPEG otherwise
unit hands sharp the image bytes, never its path
unit refuses types the host does not serve, naming every file, and stages nothing
unit refuses an image over the per-image limit, naming it and its size
unit refuses a non-empty --out together with every other violation, leaving --out as it was
unit removes what it staged when staging itself fails midway
unit counts page, manifest and thumbs files toward the per-version file limit
unit batches within the per-publish caps, page, manifest and thumbs first, the page again in every later batch
unit splits so every file is within the limit, losing no entry
unit stages colliding-tail directories under their derived names, the slash made a lookalike
unit stages a label with a colon under its lookalike, and the staged manifest opens in the page
unit maps every unsafe character of a file name through the one table
unit refuses a label no lookalike can make safe, naming it, and stages nothing
unit refuses two columns that would share a folder once made safe
unit refuses two columns whose folders differ only in case
unit refuses two files whose staged paths differ only in case or Unicode normalization
unit names every staged path the page
unit refuses a file-list session the page would read back without its _cropNN files
unit refuses a folder whose only image is one loose file
unit refuses a multi-directory session with fewer than two image directories
unit refuses before building any thumbnail
unit refuses a label holding a control character, which no lookalike replaces
unit refuses an input that does not exist, or is neither a folder nor a session
unit refuses a folder with neither image subdirectories nor loose images
unit refuses a session that does not parse, naming the session
unit refuses a session listing no existing image or directory
unit refuses a file-list session of one image, which the page would not open
unit refuses a file name no lookalike can make safe, never dropping the file
unit refuses an --out that is a file, and leaves it as it was
unit bundles sharePlan, shareNodeIo and hostRegimes for node without resolving vscode
unit counts the thumbs files it builds

webview a row holding a read-only file greys Delete and Del does nothing; a writable row deletes
webview with an image unit only the read-only image greys Delete
webview a structural change re-decides it: removing the read-only row frees Delete without navigating
webview an arrival carries no flag: a viewer-made row is deletable
webview standalone no-FSA drop path walks webkit entries into the read-only backend
unit flags readOnly exactly the real files the host says it cannot delete
unit leaves the wire without a readOnly key when the host states no predicate
unit flags only published paths read-only

webview standalone right-click opens the comparison menu

webview standalone help modal promises only what this host offers

webview standalone published comparison restores order, hidden pills, row, column, zoom and pan after a reload
webview standalone published comparisons in sibling directories keep separate views
webview standalone published comparison with blocked storage opens at defaults and shows no error
webview a host stating restoresView is read once and written as the view changes
webview applies the saved view at the first init and not at a later re-init

unit view state (viewState.ts, real code)

webview with the extension's capabilities getState and setState are never called

unit mutation harness isolation

unit webview suite worker sizing