Add ColorProfile semantic and query support

Introduce a distinct ColorProfile semantic role and end-to-end support for color-profile evidence (EXIF color-space, ICC header/tag entries, XMP ICC/profile/color-space fields, PNG profile text). Changes include API/header updates, query logic (term matching, ICC/PNG/XMP handlers, explicit semantic tagging), concept resolution improvements (role detection and candidate construction), Python enum exposure, documentation and status/readiness updates, new tests for color-profile carriers and interpretation, and a version/changelog bump to 0.4.27.

Author: ssh4net

CHANGES.md

@@ -1,5 +1,26 @@
 # OpenMeta Changes
 
+## 0.4.27 - 2026-05-22
+
+Changes compared with `0.4.26`.
+
+### Added
+
+- Added a distinct `ColorProfile` semantic query role for EXIF color-space
+  evidence, ICC header/tag entries, XMP ICC/profile fields, and PNG profile
+  text carriers.
+- Added query, interpretation, concept-resolution, and Python enum coverage for
+  color-profile evidence while preserving source-entry provenance.
+
+### Changed
+
+- Color-profile concept resolution now keeps ICC profile and color-space roles
+  separate when query-backed records and direct cross-family candidates are
+  merged.
+- Public progress docs now describe the color-profile query/interpretation
+  surface and keep the current interpretation/query readiness estimates aligned
+  with the implemented API.
+
 ## 0.4.26 - 2026-05-22
 
 Changes compared with `0.4.25`.

VERSION

@@ -1 +1 @@
-0.4.26
+0.4.27

docs/api_stability.md

@@ -24,8 +24,8 @@ different status.
 | `ExportNameStyle::FlatHost` | `openmeta/interop_export.h` | Stable | Stable v1 flat host naming contract. See [flat_host_mapping.md](flat_host_mapping.md). |
 | EXIF/TIFF orientation helpers: `interpret_exif_orientation(...)`, `exif_orientation_name(...)`, `exif_orientation_rotation_degrees_cw(...)`, `exif_orientation_rotation_only(...)` | `openmeta/orientation.h` | Stable | Small utility contract for user-facing orientation labels, clockwise rotation degrees, mirrored-state detection, dimension-swap detection, and rotation-only fallbacks. Python exposes the same helpers through thin scalar/dictionary wrappers. |
 | EXIF/TIFF/DNG numeric value names: `exif_tag_numeric_value_name(...)` and focused helpers | `openmeta/exif_value_names.h` | Stable | Small helper contract for common enum-like TIFF/EXIF/DNG numeric values such as compression, photometric interpretation, planar configuration, exposure program, metering mode, light source, flash, color space, white balance, scene capture type, gain control, CFA layout, and DNG calibration illuminants. Unknown values return an empty string and remain lossless numeric metadata. |
-| Semantic metadata query: `query_metadata(...)`, `query_crop_metadata(...)`, focused query helpers, and `metadata_query_fuzzy_search_available()` | `openmeta/metadata_query.h` | Experimental | Query contract for inspection matches plus normalized candidates. Current coverage includes crop/active-area/border margins, exposure/gain, white balance, color, lens correction, orientation, and RAW/source-processing metadata across standard tags, selected DNG tags, Fujifilm RAF raw crop/zoom rectangles, Canon aspect/crop metadata, Nikon Capture crop bounds, Sony panorama crop margins, selected decoded vendor/MakerNote exposure names, fuzzy XMP paths, and vendor RAW-processing classification. Matches report `exact_match`, `fuzzy_match`, and `fuzzy_score` so tools can label exact results separately from RapidFuzz near-miss hits. `OPENMETA_ENABLE_RAPIDFUZZ=ON` adds optional near-miss XMP/property-path scoring. Grouped candidates include `matrix_set`, `vector_set`, and `table` shapes for related non-crop metadata, including RAW black/white levels, linearization, CFA/sensor layout, source geometry, raw-storage identifiers, source-processing buckets, and per-family vendor MakerNote/RAW white-balance, color, raw-storage, sensor, and source-processing groups. Matrix/vector/table groups are promoted only when the available numeric payloads meet conservative minimum shapes, so malformed color matrices, white-balance vectors, and lens-correction records remain per-entry inspection data instead of becoming normalized groups. Long-tail source color/style aliases such as camera-to-XYZ/RGB matrices, creative/picture style, film simulation, dynamic-range, optical-correction, and raw-development terms are classified for query and transfer-policy inspection. Python `Document` and `TransferSourceSnapshot` mirror this as thin dictionary-returning wrappers. |
-| Structured metadata interpretation records: `interpret_metadata(...)`, `interpret_metadata_query(...)` | `openmeta/metadata_interpretation.h` | Experimental | Thin structured projection over semantic query candidates. Records carry query class, semantic kind, normalized shape, confidence, source entry ids, and normalized origin/size/rect/margins/value arrays where available. Current scope covers orientation, geometry/crop/border including Fujifilm RAF, Canon, Nikon Capture, and Sony panorama geometry patterns, exposure/gain, color/white-balance, lens-correction, RAW/source-processing records, and grouped vendor-family table/vector records where classification supports them. Python `Document` and `TransferSourceSnapshot` expose matching dictionary wrappers. |
+| Semantic metadata query: `query_metadata(...)`, `query_crop_metadata(...)`, focused query helpers, and `metadata_query_fuzzy_search_available()` | `openmeta/metadata_query.h` | Experimental | Query contract for inspection matches plus normalized candidates. Current coverage includes crop/active-area/border margins, exposure/gain, white balance, color/profile, lens correction, orientation, descriptive EXIF/IPTC/XMP fields, and RAW/source-processing metadata across standard tags, selected DNG tags, EXIF color-space evidence, ICC header/tag entries, XMP ICC/profile/color-space fields, PNG profile text carriers, Fujifilm RAF raw crop/zoom rectangles, Canon aspect/crop metadata, Nikon Capture crop bounds, Sony panorama crop margins, selected decoded vendor/MakerNote exposure names, fuzzy XMP paths, and vendor RAW-processing classification. Matches report `exact_match`, `fuzzy_match`, and `fuzzy_score` so tools can label exact results separately from RapidFuzz near-miss hits. `OPENMETA_ENABLE_RAPIDFUZZ=ON` adds optional near-miss XMP/property-path scoring. Grouped candidates include `matrix_set`, `vector_set`, and `table` shapes for related non-crop metadata, including RAW black/white levels, linearization, CFA/sensor layout, source geometry, raw-storage identifiers, source-processing buckets, and per-family vendor MakerNote/RAW white-balance, color, raw-storage, sensor, and source-processing groups. Matrix/vector/table groups are promoted only when the available numeric payloads meet conservative minimum shapes, so malformed color matrices, white-balance vectors, and lens-correction records remain per-entry inspection data instead of becoming normalized groups. Long-tail source color/style aliases such as camera-to-XYZ/RGB matrices, creative/picture style, film simulation, dynamic-range, optical-correction, and raw-development terms are classified for query and transfer-policy inspection. Python `Document` and `TransferSourceSnapshot` mirror this as thin dictionary-returning wrappers. |
+| Structured metadata interpretation records: `interpret_metadata(...)`, `interpret_metadata_query(...)` | `openmeta/metadata_interpretation.h` | Experimental | Thin structured projection over semantic query candidates. Records carry query class, semantic kind, normalized shape, confidence, source entry ids, and normalized origin/size/rect/margins/value arrays where available. Current scope covers orientation, geometry/crop/border including Fujifilm RAF, Canon, Nikon Capture, and Sony panorama geometry patterns, exposure/gain, color/white-balance/profile records, lens-correction, RAW/source-processing records, and grouped vendor-family table/vector records where classification supports them. Python `Document` and `TransferSourceSnapshot` expose matching dictionary wrappers. |
 | Cross-family concept resolution: `resolve_metadata_concepts(...)`, `resolve_metadata_concept(...)` | `openmeta/metadata_concepts.h` | Experimental | First bounded resolver for duplicated host-facing concepts. Current scope reports candidates, candidate source entries, source families, preferred entries, normalized numeric/text keys, full normalized value vectors, transfer hints, normalized date/time fields, date/time precision, timezone kind, normalized geometry fields, normalized exposure values, and same-role conflicts for orientation, date/time, exposure/gain, color/profile, GPS, geometry, lens-correction, and RAW-processing evidence across EXIF, XMP, IPTC, ICC, PNG text, and query-backed interpretation records where applicable. Exposure candidates cover exposure time, aperture, ISO sensitivity, exposure bias, exposure program, gain, and raw exposure-adjustment roles across standard EXIF/DNG/XMP evidence and selected decoded vendor/MakerNote exposure names; standard EXIF exposure program and gain-control values include human-readable labels; capture exposure facts are safe, while raw/DNG exposure adjustments stay rendered-unsafe. Geometry candidates cover crop, active area, border, and sensor geometry with canonical origin, size, rect, and margin fields when available, including normalized DNG, Phase One/Leaf, Fujifilm RAF, Canon, Nikon Capture, and Sony panorama geometry patterns. Candidate transfer hints distinguish `safe`, `source_bound`, `rendered_unsafe`, and `requires_target_image_spec` evidence, with compatible-file and rendered-image safety booleans. Color/white-balance, lens-correction, and RAW-processing concepts preserve grouped matrix/vector/table values for host inspection; they do not make source-bound values safe to serialize into rendered targets. GPS date/time is combined from `GPSDateStamp` plus `GPSTimeStamp` when both entries exist, and GPS altitude candidates expose altitude-reference code plus below-sea-level state when reference metadata is present; `metadata_concept_gps_altitude_reference_name(...)` provides a stable display token for the reference code. It is intended for inspection UI and host policy decisions; it does not rewrite metadata or hide ambiguity. Python `Document` and `TransferSourceSnapshot` expose matching dictionary wrappers. |
 | Transfer concept diagnostics: `transfer_concept_diagnostics_from_store(...)`, `transfer_concept_diagnostic_message(...)` | `openmeta/metadata_transfer.h` | Experimental | Preflight view over concept candidates for `TransferSafetyMode`. Each diagnostic reports concept kind/role, transfer hint, keep/drop/requires-target-image-spec action, reason token, severity token, default message text, conflict flag, source entries, compatible/rendered safety booleans, and GPS altitude-reference presentation fields. Rendered-transfer drop messages distinguish source color transforms, white balance, and lens-correction records from generic source-processing metadata. Intended for UI previews and host policy messages before calling `prepare_metadata_for_target(...)`; it does not replace the actual transfer filter. Python `Document` and `TransferSourceSnapshot` expose `transfer_concept_diagnostics(...)` dictionaries with `severity_name` and `message` fields. |
 | Vendor RAW-processing summaries: `vendor_raw_processing_from_store(...)`, `classify_vendor_raw_processing_field(...)` | `openmeta/vendor_raw_processing.h` | Experimental | Conservative grouped source-RAW/source-processing field summaries for decoded Sony, Canon, Nikon, Fujifilm, Pentax, Panasonic, Olympus, Kodak, Minolta, Sigma, Samsung, Ricoh, Apple, DJI, Google, FLIR, Casio, Sanyo, KyoceraRaw, Reconyx, HP, JVC, GE, Motorola, Nintendo, and Microsoft MakerNotes, including vendor-private, computational, thermal, preview, face-geometry, stitch/panorama, Apple computational capture/HDR/motion, DJI pose/thermal, Google HDR+/shot-log, pixel-shift/multi-shot/composite/auto-lighting/source-style processing, and FLIR radiometric/raw-value buckets. Long-tail aliases cover source color/style, camera-to-XYZ/RGB matrix, white-balance gain, optical/lens correction, dynamic-range, and raw-development terms. Direct field classification also recognizes decoded Phase One/Leaf RAW-processing tags; use the dedicated Phase One/Leaf helpers for normalized geometry and processing summaries. Intended for audit/UI and rendered-transfer safety decisions, not for writing vendor RAW/source-processing values into rendered targets. |

docs/development.md

@@ -17,8 +17,8 @@ model should stay compact:
 | Area | Purpose | Readiness |
 | --- | --- | --- |
 | Decoding | Find metadata carriers and decode EXIF, XMP, IPTC, ICC, Photoshop IRB, JUMBF/C2PA, EXR, and related blocks into `MetaStore` entries. | High, about 98-100% for the current target scope. |
-| Interpretation | Normalize names and values, group entries by meaning, and classify source-bound data such as RAW crop, exposure adjustment, color, lens-correction, sensor, computational capture state, and vendor-private fields. | Medium-high, about 86%. |
-| Query | Find entries by name, fuzzy term, or semantic group, then expose normalized query candidates, structured interpretation records, bounded cross-family concept resolutions, transfer hints, and conflict flags for crop/border/active-area, exposure/gain, color/WB, orientation, date/time, GPS, lens-correction, and RAW/source-processing fields across standard and vendor metadata. | Medium, about 73-79%. |
+| Interpretation | Normalize names and values, group entries by meaning, and classify source-bound data such as RAW crop, exposure adjustment, color/profile evidence, lens-correction, sensor, computational capture state, and vendor-private fields. | Medium-high, about 87%. |
+| Query | Find entries by name, fuzzy term, or semantic group, then expose normalized query candidates, structured interpretation records, bounded cross-family concept resolutions, transfer hints, and conflict flags for crop/border/active-area, exposure/gain, color/WB/profile, orientation, date/time, GPS, lens-correction, and RAW/source-processing fields across standard and vendor metadata. | Medium-high, about 75-81%. |
 | Creation | Build fresh metadata entries from host-provided values. | Medium, about 55-65%. |
 | Editing | Modify existing logical metadata entries while preserving valid surrounding structure. | Medium, about 60-70%. |
 | Transfer | Move metadata between files using explicit compatible-file or rendered-image safety policies. | Medium-high, about 80-85%. |
@@ -36,8 +36,8 @@ interpretation rather than hiding ambiguity behind a single value.
 
 The first experimental C++ query surface is `openmeta/metadata_query.h`.
 It returns both raw matches and normalized candidates for crop/active-area,
-exposure/gain, white balance, color, lens correction, orientation, and
-RAW-processing queries.
+exposure/gain, white balance, color/profile, lens correction, orientation,
+descriptive, and RAW-processing queries.
 Crop queries include DNG crop tags, `ActiveArea`, Phase One/Leaf raw geometry,
 Fujifilm RAF raw crop/zoom rectangles, Canon aspect/crop metadata, Nikon
 Capture crop bounds, Sony panorama crop margins, and fuzzy crop/border-style
@@ -47,11 +47,14 @@ border-margin parsing, and vendor RAW-processing classification where
 applicable.
 They also append grouped candidates for related DNG color matrix/calibration/
 reduction/forward matrix tags, DNG white-balance vector tags, and
-lens-correction table groups. Vendor-classified MakerNote/RAW fields can also
-form per-family grouped candidates for white balance, color, raw-storage,
-sensor, and source-processing records. RAW-processing queries add conservative
-groups for black/white levels, linearization tables, CFA/sensor layout, source
-geometry, raw-storage identifiers, and source-private processing buckets.
+lens-correction table groups. Color queries expose a distinct `color_profile`
+semantic for EXIF color-space evidence, ICC header/tag entries, XMP
+ICC/profile/color-space fields, and PNG profile text carriers. Vendor-classified
+MakerNote/RAW fields can also form per-family grouped candidates for white
+balance, color, raw-storage, sensor, and source-processing records.
+RAW-processing queries add conservative groups for black/white levels,
+linearization tables, CFA/sensor layout, source geometry, raw-storage
+identifiers, and source-private processing buckets.
 Exposure/gain concept resolution promotes exposure time, aperture, ISO,
 exposure bias, exposure program, gain, and raw exposure-adjustment records into
 host-visible roles, with raw exposure adjustments kept unsafe for rendered