Add Director authoring, import previews and scene bundles

docs/DIRECTOR.md

@@ -2,8 +2,8 @@
 
 Director is the scene playback system. Ordered shot execution, authored timing and playback clocks are separated
 from the scene editor and application rendering. This document
-also records the proposed next steps; the sharing format and interactions below
-are a design plan, not features already available.
+records implemented camera directions, data packs, declarative interactions and
+file sharing, along with the remaining extensions.
 
 ## Implemented boundary
 
@@ -76,8 +76,8 @@ and river coordinates are bundled. See the
    [Version 4](DIRECTOR-CAMERA.md) adds scene-local geographic anchors, explicit
    start/destination poses, easing, duration and holds. Playback and seek share
    the same sampler. Ellipsoidal heights are explicit; terrain-relative input
-   is rejected. Existing shots retain ordinary flights. Curved paths, look-at
-   targets and visual authoring are later extensions.
+   is rejected. Existing shots retain ordinary flights. Basic anchor/move authoring is available through EDIT DETAILS; curved paths and
+   look-at targets remain later extensions.
 4. **Data packs and placement — implemented for bounded assets.**
    [Version 5](DIRECTOR-DATA-PACKS.md) defines a pack manifest with format/version,
    source, attribution/license and optional integrity/size metadata. It distinguishes
@@ -85,20 +85,19 @@ and river coordinates are bundled. See the
    media anchors. GeoJSON, PNG and native media adapters load with byte/time
    limits and explicit ellipsoid heights. Stop and replacement release resources.
    Paths resolve against a trusted directory base; missing/offline assets fail
-   explicitly. Bundles, transforms and terrain-relative placement remain future
-   extensions. Scene files carry no credentials or executable modules.
-5. **Declarative interactions.** Give pickable features stable IDs and connect
-   clicks to a small action registry: show a text/source card, focus an anchor,
-   seek a shot, or change an allowed layer state. Define selection feedback,
-   keyboard equivalents and precedence with drawing/tracking controls. Validate
-   target references and cancel pending actions on Stop, replacement or teardown.
-   No JavaScript evaluation or arbitrary HTML in scene files. Branching must
-   have explicit loop/transition limits and reproducible reset/seek semantics.
-6. **Sharing and authoring.** Add validated preview/import/export, missing-pack
-   diagnostics and an optional self-contained bundle. Preserve attribution with
-   each pack; a share link does not change an asset's license. A future node graph
-   could author this same document, but playback and the format will not require
-   a graph editor.
+   explicitly. File bundles are available; transforms and terrain-relative placement
+   remain future extensions. Scene files carry no credentials or executable modules.
+5. **Declarative interactions — implemented.** [Version 6](DIRECTOR-INTERACTIONS.md)
+   connects selected feature IDs to accessible text/source cards, anchor focus,
+   shot seek and admitted layer changes. References are validated and pending
+   actions cancel on Stop, replacement or teardown. Scene files contain no
+   JavaScript or arbitrary HTML; actions require explicit user input.
+6. **Sharing and basic authoring — implemented.** [Authoring and sharing](DIRECTOR-SHARING.md)
+   adds import preview, missing-source/layer diagnostics, validated scene/shot
+   drafts and selected-scene JSON or explicit-file bundles. Pack attribution is
+   preserved. Bundle bytes last for the session and must be reimported after a
+   reload. A future node graph can author the same document without becoming a
+   playback or format requirement.
 
 Each step must preserve existing scene editing, keyboard playback, camera
 arbitration, layer cleanup, media timing and provider fallback. Acceptance includes