HolobiomicsLab
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- ▌ Taxonomy Database Querying 2 · holobiomicslabUse when a paired omics project record contains a genome identifier (e.g., from GenBank or NCBI) but lacks the corresponding organism scientific name.
- ▌ Transformer Model Training 3 · holobiomicslabUse when you have a dataset of augmented simulated overlapped GC-MS peaks and need to train a Transformer model to automatically deconvolve them into pure component mass spectra.
- ▌ User Interface Integration 2 · holobiomicslabUse when when you have a multi-step computational workflow (e.g., peak detection, filtering, manual review) implemented in R and need to expose it to end-users who lack R expertise.
- ▌ Workflow Status Monitoring 2 · holobiomicslabUse when you need to verify that a GitHub Actions workflow (such as 'dev_build_release.
- ▌ Hdf5 Schema Validation 2 · holobiomicslabUse when after converting proprietary vendor mass spectrometry files (Thermo .raw, Agilent .d, Bruker .d, or mzML) to MZA HDF5 format using the MZA executable.
- ▌ Feature Table Subsetting 2 · holobiomicslabUse when after loading an MS-DIAL feature table when you need to separate features into two disjoint groups: one meeting a quantitative threshold (e.g., m/z decimal values outside [4, 8], coefficient of variation below a cutoff, or mass defects within acceptable bounds) and one not meeting it.
- ▌ Gc CI Ms Data Processing 2 · holobiomicslabUse when you have vendor-format GC-CI-MS raw data from a stable isotope labeling experiment, a list of targeted compounds with known monoisotopic m/z, retention time, and molecular formula, and you need to extract per-isotopologue area and intensity values across multiple samples with consistent.
- ▌ Mass Spectrum Simulation 2 · holobiomicslabUse when when you have one or more peptide sequences (as strings) and need to predict their theoretical isotopic distribution patterns to compare against experimental MS data, validate peak assignments, or generate synthetic spectra for method development.
- ▌ Open Modification Search 2 · holobiomicslabUse when your query spectra contain peptides with unknown modifications (e.g., oxidation, phosphorylation, acetylation, or non-enzymatic modifications not specified in the search parameters), and you have a reference spectral library in mzML or mzXML format.
- ▌ Peak List Column Mapping 2 · holobiomicslabUse when when uploading a new peak list or complex sample data file with delimiter-separated columns to Punc'data, especially when column headers are ambiguous or use non-standard naming conventions.
- ▌ Retention Time Windowing 2 · holobiomicslabUse when you have a complete TIC (total ion current) table indexed by retention time and need to visualize or analyze only a specific time interval—for example, when isolating a chromatographic peak region (9–10 min) before plotting or when a mass spectrometry run spans a time range wider than the.
- ▌ Msi Spectral Data Import 2 · holobiomicslabUse when use this skill at the start of any MSI analysis workflow when you have raw imzML files or vendor-specific MSI data that need to be loaded into napari-MSI-Explorer for visualization, mean intensity calculation, ROI analysis, or annotation.
- ▌ Smiles Molecular Parsing 2 · holobiomicslabUse when when you have a list of candidate metabolite identifiers in SMILES or mol format and need to programmatically apply chemical transformations (e.g., derivatization reactions), compute molecular weights, or enumerate adduct ions for mass spectrometry matching.
- ▌ Accuracy Metric Computation 2 · holobiomicslabUse when after running inference on a trained structure prediction model with one or more input modalities (1H NMR, 13C NMR, or combined), you have generated predicted molecular formulas and connectivity graphs that need to be compared against known ground truth structures.
- ▌ Chemical Class Node Mapping 2 · holobiomicslabUse when you have a GNPS mass spectral molecular network (in graphml or cytoscape format) and want to enrich its nodes with chemical class information derived from GNPS public library spectral matches.
- ▌ Command Line Tool Execution 2 · holobiomicslabUse when you have tandem MS/MS spectrum data in standard peak file formats (mzML, mzXML, or MGF) and need to cluster spectra based on precursor mass and fragment ion similarity.
- ▌ Graph Enrichment Operations 2 · holobiomicslabUse when you have a GNPS mass spectral molecular network and wish to annotate its nodes with both chemical class assignments (from GNPS public library matches) and MS2LDA-derived substructural motifs (from classical or feature-based LDA experiments) in a single integrated operation, typically for.
- ▌ Java Source Code Inspection 3 · holobiomicslabUse when when you need to understand how a Java application routes input data to processing modules based on declared data types, conditionally branches on instrument or format types (e.
- ▌ Lcms Workflow Orchestration 2 · holobiomicslabUse when starting from raw LC-MS spectral files (mzML or mzXML format) in a global metabolomics study and you need to produce a complete, validated feature table with m/z, retention time, and intensity values across all samples.
- ▌ Mass Chromatogram Alignment 3 · holobiomicslabUse when after chromatographic peak detection on preprocessed LC-MS data, when you have detected features (peaks) in multiple samples and need to establish which peaks across samples represent the same molecular species.
- ▌ Md Defect Ratio Calculation 2 · holobiomicslabUse when you have a feature table from LC- or GC-HRMS data (either detected via pyOpenMS or imported as a custom feature list) containing m/z, retention time, and intensity values, and you want to rapidly filter to candidate PFAS features that exhibit the elevated mass defects typical of.
- ▌ Model Ablation Study Design 2 · holobiomicslabUse when you need to measure how much a specific model capability or architectural feature contributes to prediction performance, especially when that capability is non-obvious or orthogonal to baseline methods.
- ▌ Network Topology Comparison 3 · holobiomicslabUse when after executing a molecular networking workflow on GC-MS data that has been processed through auto-deconvolution, and a published reference network exists from a prior analysis of the same or analogous dataset.
- ▌ Network Topology Validation 2 · holobiomicslabUse when after retrieving a molecular network file (GraphML or JSON format) from GNPS_GC following submission of deconvolved GC-MS spectra. Use this skill to confirm the network structure is sound before performing chemical similarity searches, community detection, or annotation.
- ▌ Nextflow Workflow Execution 3 · holobiomicslabUse when you have .mzML or .abf LC-HRMS metabolomics raw data files and need to perform peak detection, feature identification, and chromatogram alignment reproducibly across different compute environments (local workstations, HPC clusters).
- ▌ Organism Metadata Retrieval 2 · holobiomicslabUse when when a project JSON document contains genome identifiers but lacks corresponding organism name annotations, and you need to link MS/MS mass spectra with genomic context for downstream biosynthetic gene cluster or chemical ecology analysis.
- ▌ Pfas Feature Prioritization 2 · holobiomicslabUse when you have detected features in LC- or GC-HRMS data (via pyOpenMS or custom feature tables) and need to systematically rank them for likelihood of being PFAS compounds.
- ▌ Project Metadata Validation 2 · holobiomicslabUse when when a user uploads a JSON project document to the Pairing Omics Data Platform, before accepting it into the repository or indexing it for search. Use this skill to catch missing required fields, incorrect field types, and constraint violations early in the submission workflow.
- ▌ Qc Summary Table Extraction 2 · holobiomicslabUse when after applying one or more mpactr filters (filter_mispicked_ions, filter_group, filter_cv, filter_insource_ions) to an mpactr object, call qc_summary() to obtain a structured report of which ions passed or failed each filter.
- ▌ R6 Object Method Invocation 2 · holobiomicslabUse when when working with large metabolomics peak tables (e.
- ▌ Repository Code Integration 2 · holobiomicslabUse when you have identified a published method (e.g., MIST-CF for chemical formula ranking from mass spectra) whose source code and trained weights are available in a public repository, and you need to apply that method to new experimental data (e.
- ▌ Scoring Module Unit Testing 2 · holobiomicslabUse when after implementing or modifying the scoring module that computes average InChIKey scores and neighbourhood scores for candidate matches, or when integrating new scoring logic into an existing MS2Query pipeline.
- ▌ Snr Based Signal Validation 3 · holobiomicslabUse when after composite map peak detection has generated a full unfiltered peak list with SNR values computed for each candidate peak.
- ▌ Spec2vec Similarity Scoring 2 · holobiomicslabUse when after discovering Mass2Motifs via LDA on preprocessed MS/MS spectra, use this skill to assign putative substructure annotations by matching each motif's fragmentation pattern against a pre-indexed spectral library using learned spectral embeddings.
- ▌ Spectral Mz Range Filtering 2 · holobiomicslabUse when you have loaded an MsmsSpectrum object from a proteomics or metabolomics dataset and need to focus the analysis window on a specific m/z range relevant to your experiment (e.g., 100–1400 m/z for typical tryptic peptides).
- ▌ Spectral Similarity Ranking 2 · holobiomicslabUse when you have a query MS/MS spectrum and need to identify the -matching library spectrum from a large spectral database, particularly when the research goal requires distinguishing between exact matches and structural analogues without separate workflows.
- ▌ Spectral Similarity Scoring 4 · holobiomicslabUse when when you have extracted low-resolution mass spectra from individual chromatographic peaks in GC-MS data and need to match them against a spectral library (e.g., PNNLMetV20191015.MSL) to identify the unknown compound.
- ▌ Spectrum Cluster Assignment 2 · holobiomicslabUse when you have computed a sparse pairwise distance matrix from nearest neighbor indexes and need to group spectra into clusters. Use this skill when: (1) you have a sparse similarity or distance matrix as input;
- ▌ Unique Compound Enumeration 2 · holobiomicslabUse when you have a GC-MS results table with a Match.Factor column (representing identification confidence) and you need to understand how many distinct compounds survive at different quality cutoffs (e.g., ≥65, ≥80, ≥90).
- ▌ Web Service API Integration 2 · holobiomicslabUse when when you have a parsed mass spectrum (precursor m/z, ionization mode, collision energy, and fragment peak list as m/z–intensity pairs) and need to obtain molecular fingerprint predictions, de-novo candidate structures, or chemical class annotations without maintaining local neural network.
- ▌ Batch Document Verification 2 · holobiomicslabUse when when you have deposited a collection of JSON project documents in a platform and need to verify that all conform to the published schema before public release or after schema updates.
- ▌ Batch Prediction Comparison 2 · holobiomicslabUse when when you have a trained molecular classifier (like BitterPredict) that accepts structured descriptor input, and you need to understand which chemical descriptor subgroups drive prediction outcomes.
- ▌ Benchmark Harness Execution 2 · holobiomicslabUse when you have post-processed clustering results from multiple tools (msCluster, Falcon, MaRaCluster) on the same tandem MS dataset and need to generate a comparative performance report with quality metrics and runtime statistics to determine which tool suits your metabolomics workflow.
- ▌ Binary Data Base64 Encoding 2 · holobiomicslabUse when when converting simulated or real LC/GC-MS spectral data (m/z–retention-time intensity matrices) into mzML format for archival, sharing, or downstream processing.
- ▌ Chemical Identifier Mapping 2 · holobiomicslabUse when you have .msp spectral library files with compound names but lack standardized chemical identifiers (SMILES, InChI, InChI Key, CAS number, IUPAC names, or molecular formulas).
- ▌ Compound Count Verification 2 · holobiomicslabUse when after modifying a FIDDLE configuration file to add or remove instrument types from the allowlist (e.g., adding 'ftms' to gnps_orbitrap), run the full preprocessing pipeline and validate that the resulting training and test set sizes match documented targets.
- ▌ Compound Identifier Mapping 3 · holobiomicslabUse when after filtering a peak table to remove mispicked ions, group contaminants, and low-replicability features, you have a curated feature list with m/z, retention time, and MS/MS spectra ready for annotation.
- ▌ Confusion Matrix Generation 2 · holobiomicslabUse when after training or evaluating a classification model (e.g., MS2DeepScore or other neural networks) when you have paired arrays of predicted class labels and ground-truth labels and need to assess per-class prediction accuracy, false positive/negative rates, or class imbalance effects.
- ▌ Cross Assay Feature Linkage 2 · holobiomicslabUse when when you have structural clusters from multiple LC-MS assays (e.g., positive and negative ion modes, or reversed-phase and HILIC methods) and need to identify which features across assays represent the same underlying metabolite.
- ▌ D Ratio Threshold Filtering 2 · holobiomicslabUse when after signal drift correction (step 4) has computed per-feature D-Ratio values, and before normalization (step 7).
- ▌ Database Similarity Scoring 2 · holobiomicslabUse when you have one or more MS/MS spectra (query spectra in mzML, mzXML, or MGF format) and need to identify unknown compounds by comparing them against curated spectral databases organized by biological domain (microbe, plant, tissue, microbiome, food).
- ▌ Dia Data Format Recognition 2 · holobiomicslabUse when you have raw mass spectrometry data from a DIA acquisition method and need to determine whether it is MS^E, All-Ion Fragmentation (AIF), or SWATH-MS before loading into IDSL.CSA for fragmentation spectra deconvolution.
- ▌ Dia File Quality Prediction 3 · holobiomicslabUse when you have a batch of DIA mass spectrometry raw files (.raw, .d, or .wiff formats) from known instrument types (timsTOF, TripleTOF, or Orbitrap) and need to classify each file as pass/fail or assign a quality label.
- ▌ Ei Mass Spectrum Simulation 2 · holobiomicslabUse when when you have a molecular structure (XYZ or equivalent format) and need to predict its EI mass spectrum including major fragment ions and their relative intensities, particularly for validation against experimental data or when experimental spectra are unavailable;
- ▌ Embedding Vector Validation 2 · holobiomicslabUse when after instantiating and invoking a sinusoidal formula embedding layer (such as SCARF embeddings in MIST-CF) on chemical formula inputs, validate that the output embeddings meet dimensionality and value constraints before using them for downstream transformer or ranking tasks.
- ▌ Error Handling Confirmation 2 · holobiomicslabUse when when implementing or auditing a data replacement method (e.g., `mz<-`, `intensity<-`) in an MsBackend subclass that must enforce ordering or format constraints on peak data.
- ▌ Feature Fidelity Prediction 2 · holobiomicslabUse when you have a feature table (CSV with m/z and retention time columns) and corresponding .mzXML or .mzML mass spectrometry files from an LC-MS metabolomics experiment, and you need to filter out false or low-quality chromatographic peaks before downstream analysis.
- ▌ Feature Metadata Annotation 2 · holobiomicslabUse when you have processed mass spectrometry data consisting of three separate tables (quantification features, sample metadata, and spectral annotations) and need to combine them into a single, queryable artifact that preserves relationships between features, samples, and their chemical.
- ▌ Feature Table Normalization 2 · holobiomicslabUse when you have peak/feature tables from one or more peak picking tools (MZmine, XCMS, MS-DIAL, Compound Discoverer) and need to ingest them into LipidMatch or combine results from multiple tools in a single lipidomics workflow.
- ▌ Formula Stratified Sampling 2 · holobiomicslabUse when when preparing MS/MS spectral training data where: (1) the initial TCN train/test split contains imbalanced positive and negative examples, (2) certain molecular formulas are over-represented in the positive class, (3) you are training a Siamese architecture rescore model that requires.
- ▌ Gcms Spectrum Deconvolution 2 · holobiomicslabUse when input GC-MS data (netCDF or mzML format) exhibits overlapping chromatographic peaks where multiple analytes co-elute at the same retention time, resulting in composite mass spectra that conflate signals from distinct molecular species.
- ▌ Gnps Data Schema Validation 2 · holobiomicslabUse when after extracting a GNPS molecular networking job archive using GNPSExtractor, before calling npl.load_data().
- ▌ Gpu Accelerated Computation 2 · holobiomicslabUse when when processing large-scale mass spectrometry datasets (>1 million spectra) where CPU-based clustering runtime would exceed minutes to hours, and when the analysis pipeline includes: (1) encoding raw spectra into high-dimensional binary vectors, (2) computing pairwise distance matrices.
- ▌ Graph Serialization Graphml 2 · holobiomicslabUse when after constructing a network graph where nodes represent Mass2Motifs (or spectra) and edges encode pairwise spectral similarity scores, and you need to export the network for visualization, post-processing, or sharing with collaborators using standard graph software (e.
- ▌ Instrument Metadata Parsing 3 · holobiomicslabUse when when you have raw or semi-processed mass spectrometry data files in mixed formats (e.g., vendor-native .raw, .d, .
- ▌ JSON Response Serialization 2 · holobiomicslabUse when when a backend service receives structured prediction results from an external API (e.g., nmrshiftdb peak predictions) and must return them to a client application via HTTP POST response.
- ▌ Lcms Feature Classification 2 · holobiomicslabUse when you have an LCMS feature table annotated with MS2 spectral data and need to distinguish in-source fragments (mass loss patterns, same retention time, MS2 spectral relationships) from true metabolite features.
- ▌ Lcms Result Table Structure 2 · holobiomicslabUse when after completing Part 4 (Identification of ISF Features) in the ISFrag workflow, when you have an analysis results object containing identified ISF features and need to generate a shareable, tabular export that documents feature annotations, hierarchical parent–fragment relationships, and.
- ▌ Lipid Library Format Schema 2 · holobiomicslabUse when you have identified lipid species unique to your experimental system (e.
- ▌ Mass Spectral M Z Alignment 2 · holobiomicslabUse when after you have (1) identified putative labelled features with intensity and m/z measurements from LC/MS data (e.g., via basepeak_finder output in geoRge), (2) defined a list of expected ionization adducts (e.
- ▌ Mass Spectrum M Z Alignment 3 · holobiomicslabUse when when working with multidimensional MS data (LC–IM–MS/MS) converted to MZA format where spectra are stored in jagged arrays with m/z values distributed across individual HDF5 datasets per scan, and you need to ensure m/z consistency for downstream peak detection, isotope analysis, or.
- ▌ Mass Spectrum Peak Matching 2 · holobiomicslabUse when when you have a query electron ionization mass spectrum (as m/z and intensity pairs) and need to identify it against a spectral library stored in msp format.
- ▌ Mass Spectrum Preprocessing 2 · holobiomicslabUse when you have raw MS/MS spectra in MGF format with variable peak quality, mixed charge states, or instrument artifacts that could confound clustering or similarity measures.
- ▌ Mass Spectrum Visualization 3 · holobiomicslabUse when when you have extracted m/z and intensity arrays from an MZA file (or similar HDF5-backed MS data structure) and need to visually inspect a single MS1 or MS2 spectrum, verify peak characteristics, or diagnose data quality issues before downstream analysis (peak fitting, isotope pattern.
- ▌ Matlab Scientific Computing 3 · holobiomicslabUse when you have mass spectrometry data in mzXML or mzML format and need to systematically extract regions of interest (ROIs) from multi-dimensional m/z-intensity-time arrays, normalize feature values, and augment datasets for untargeted metabolomics workflows.
- ▌ Metabolite Ms Ms Annotation 2 · holobiomicslabUse when when you have SWATH-MS raw data (mzML or vendor format) containing multiplexed MS/MS spectra from multiple co-eluting precursor ions and need to separate these spectra into individual, annotatable component spectra for metabolite identification.
- ▌ Metabolite Score Projection 3 · holobiomicslabUse when you have Nightingale Health 1H-NMR metabolomics assay output (metabolite concentrations in a samples × features matrix) and you want to compute a published metabolic risk score or surrogate biomarker (mortality risk, metabolic age, cardiovascular event risk, type-2 diabetes risk, COVID-19.
- ▌ Metadata Integrity Checking 2 · holobiomicslabUse when after processing LCMS feature data through Blueshift or Gravity but before finalizing results.
- ▌ Mixture Spectrum Comparison 2 · holobiomicslabUse when you have an observed NMR mixture spectrum and one or more candidate reconstructed spectra (each formed by summing weighted single-compound spectra), and need a continuous, transportable distance metric to score how well the reconstruction approximates the observed mixture.
- ▌ Molecular Candidate Ranking 2 · holobiomicslabUse when after a trained CNN model has generated molecular embeddings for query spectra, and you need to retrieve the most likely candidate molecules from a reference database.
- ▌ Ms2 Spectral Interpretation 2 · holobiomicslabUse when you have extracted an MS1 feature table (from XCMS or custom CSV with m/z, retention time, and intensity columns) and one or more DDA mzXML files from the same or related LC-MS runs, and you need to annotate features with MS2 spectral data and match them against a standard spectral library.
- ▌ Msflo Metabolite Annotation 3 · holobiomicslabUse when after MS-DIAL has completed feature detection and peak alignment on .mzML LC-HRMS data, producing an aligned feature table. Use MSFLO when you need to assign metabolite identities to detected features and filter results by significance criteria before downstream interpretation.
- ▌ Multi Module Joint Training 2 · holobiomicslabUse when when you have a pretrained encoder that captures domain knowledge (e.g., spectral feature extraction) and need to train task-specific decoder or scoring modules on top of it without degrading the encoder's learned representations.
- ▌ Mzml File Format Generation 3 · holobiomicslabUse when when you need to generate reproducible synthetic LC/GC-MS raw data files with known ground-truth peak properties (m/z, retention time, intensity) for benchmarking peak detection, feature extraction, normalization, or batch correction algorithms;
- ▌ Nmr Peak JSON Serialization 2 · holobiomicslabUse when you have proton (1H) and carbon-13 (13C) NMR peak measurements from a molecular sample and need to classify the molecule using the SMART 3 deep learning API. The peaks must be reformatted from their native instrument output into JSON before submission to the /api/smart3/search endpoint.
- ▌ Nmr Spectrum Peak Detection 2 · holobiomicslabUse when you have a loaded INADEQUATE NMR spectrum file (after referencing via basic shifting) and need to identify individual peak positions and intensities as input to downstream peak network clustering or metabolite matching.
- ▌ Package Integration Testing 2 · holobiomicslabUse when you need to verify that a Python package (or similar installable software) passes its declared integration test suite as a prerequisite to trusting its reliability in production or downstream analysis. Specifically, apply it when you observe a periodic testing CI workflow badge (e.
- ▌ Pairwise Matrix Computation 2 · holobiomicslabUse when when you have a cleaned MS/MS dataset with chemical structure annotations (SMILES, InChI, or InChIKey) and need to generate ground-truth structural similarity labels for training a deep learning model.
- ▌ Parent Tp Mapping Structure 2 · holobiomicslabUse when you have generated a TP object (from generateTPs) with structural information (SMILES) for predicted or library-derived transformation products, and you need to either (1) construct a MetFrag-compatible database that preserves parent compound records alongside TPs, or (2) componentize.
- ▌ Pathway Coverage Assessment 2 · holobiomicslabUse when when preparing to run Over-representation Analysis (ORA) on a metabolomics study, after constructing the background set but before running the enrichment test.
- ▌ Peak Detection In Lcms Data 2 · holobiomicslabUse when after retention-time correction has been completed on centroided LC-MS data (mzML or mzXML format) and you need to identify all detected peaks as a unified feature table across a cohort of samples.
- ▌ Peak Table Format Detection 2 · holobiomicslabUse when when receiving a peak or feature table output from an unknown or variable upstream peak-picking tool, and you need to route it to the correct ingestion adapter (e.g., in LipidMatch) to normalize and validate it before lipid identification.
- ▌ Pubchem Structure Retrieval 2 · holobiomicslabUse when you have an experimental tandem mass spectrum and chemical formula for an unknown compound, and need to identify the true structure among all PubChem entries with that formula.
- ▌ Molecular Representation Encoding 2 · holobiomicslabUse when when you have a molecular target compound defined by SMILES, InChI, or chemical formula and need to feed it into a pretrained spectrum prediction model (ICEBERG or SCARF) to generate tandem mass spectra or conduct structural elucidation.
- ▌ Ms Dial Peak Character Estimation 2 · holobiomicslabUse when you have a filtered MS-DIAL peak list (post-generic filtering, containing m/z, retention time, and peak intensity metrics for each feature) and need to group features into clusters that represent true metabolite signals rather than instrumental or chemical artifacts.
- ▌ Ms1 Scan Extraction And Filtering 2 · holobiomicslabUse when you have a Thermo Fisher Scientific .raw file from an Orbitrap instrument and need to programmatically retrieve MS1 spectral attributes (base-peak m/z, intensity, retention time) for downstream statistical analysis or quality control in R, rather than relying on external preprocessing.
- ▌ Multi Database Structure Querying 3 · holobiomicslabUse when after cleaning and clustering LC-MS features in MS-CleanR, when you need to assign putative compound identities to a feature set with MS/MS spectra, and when candidate compounds may exist across multiple specialized databases (e.g., natural products, pharmaceuticals, contaminants).
- ▌ Multi Inheritance Class Hierarchy 2 · holobiomicslabUse when when you need to support multiple plotting library backends (static or interactive) for the same data visualization domain (e.
- ▌ Multi Instrument Data Integration 3 · holobiomicslabUse when you have DIA mass spectrometry raw files from multiple instrument types (timsTOF, TripleTOF, Orbitrap) in their native formats (.raw, .d, .
- ▌ Multi Service Integration Testing 2 · holobiomicslabUse when when building or modifying an asynchronous annotation pipeline that dispatches metadata enrichment requests to multiple heterogeneous web services and must verify that each service's HTTP calls succeed, response parsing is correct, and enriched fields are correctly merged into the output.