Integrate Graphify into a Gradle workflow: from Knowledge Graph to PlantUML diagram in one command

Failed to generate image: PlantUML preprocessing failed: [From <input> (line 6) ]

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

actor Développeur
component "Graphify
^^^^^
 Syntax Error? (Assumed diagram type: sequence)

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

actor Développeur
component "Graphify
(pip install graphifyy)" as Graphify
collections "graphify-out/graph.json\n(Knowledge Graph)" as KGJSON
component "PlantUML Gradle Plugin
(generateKnowledgeGraphDiagram)" as Plugin
component "KnowledgeGraphParser" as Parser
component "KnowledgeGraphRenderer" as Renderer
component "PlantumlService
(validation + PNG rendering)" as PS
collections "diagrams/knowledge-graph/
(.puml + .png)" as Output

Développeur --> Graphify : graphify . --no-viz
Graphify --> KGJSON : extrait la structure\ndu code source
Développeur --> Plugin : ./gradlew generateKnowledgeGraphDiagram
Plugin --> Parser : parse(graph.json)
Parser --> Plugin : KnowledgeGraph\n(noeuds + arêtes + communautés)
Plugin --> Renderer : render(graph, filters)
Renderer --> Plugin : code PlantUML\ndéterministe
Plugin --> PS : validateSyntax + generateImage
PS --> Output : .puml + .png

note bottom of Plugin
  Pipeline DÉTERMINISTE
  Aucun appel LLM
  Résultat reproductible
end note

@enduml

# Étape 1 : extraire le Knowledge Graph
graphify . --no-viz

# Étape 2 : générer les diagrammes PlantUML
./gradlew generateKnowledgeGraphDiagram

Failed to generate image: PlantUML preprocessing failed: [From <input> (line 16) ]

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

package "Normal pipeline\n(user → diagrams)" as normal {
    [Fichier .prompt] as prompt
    [LlmService\n+ ApiKeyPool] as llm1
    [ProcessPlantumlPromptsTask] as task1
    [Diagramme PNG] as out1

    prompt --> task1
    task1 --> llm1
    llm1 --> out1
}

package "Pipeline Knowledge Graph
^^^^^
 Syntax Error? (Assumed diagram type: component)

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

package "Normal pipeline\n(user → diagrams)" as normal {
    [Fichier .prompt] as prompt
    [LlmService\n+ ApiKeyPool] as llm1
    [ProcessPlantumlPromptsTask] as task1
    [Diagramme PNG] as out1

    prompt --> task1
    task1 --> llm1
    llm1 --> out1
}

package "Pipeline Knowledge Graph
(deterministic, no LLM)" as kg {
    [graphify-out/graph.json] as kgjson
    [KnowledgeGraphParser] as parser
    [KnowledgeGraphRenderer] as renderer
    [PlantumlService] as ps
    [Diagramme PNG\n(documentation du plugin)] as out2

    kgjson --> parser
    parser --> renderer
    renderer --> ps
    ps --> out2
}

package "Pipeline Dogfooding\n(LLM → plugin documentation)" as dogfood {
    [GraphifyPromptAdapter] as gpa
    [Fichiers .prompt\nauto-générés] as auto_prompt
    [LlmService\n+ ApiKeyPool] as llm2
    [ProcessPlantumlPromptsTask] as task2
    [Diagramme PNG\n(documentation LLM)] as out3

    kgjson --> gpa
    gpa --> auto_prompt
    auto_prompt --> task2
    task2 --> llm2
    llm2 --> out3
}

note "Same LlmService, same ApiKeyPool,
same PlantumlService
— ZERO duplication" as N

@enduml

# Documentation déterministe (rapide, pas de LLM)
./gradlew generateKnowledgeGraphDiagram

# Documentation LLM (plus riche, consomme des tokens)
./gradlew generateDiagramDocs

Failed to generate image: PlantUML preprocessing failed: [From <input> (line 6) ]

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

rectangle "Deterministic Pipeline
(generateKnowledgeGraphDiagram)" as det {
^^^^^
 Syntax Error? (Assumed diagram type: activity)

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

rectangle "Deterministic Pipeline
(generateKnowledgeGraphDiagram)" as det {
    [graph.json] as json
    [KnowledgeGraphParser] as parser
    [KnowledgeGraphRenderer] as renderer
    [PlantUML code] as puml

    json --> parser : parse
    parser --> renderer : KnowledgeGraph
    renderer --> puml : render (fonction pure)
}

rectangle "Pipeline LLM
(processPlantumlPrompts)" as llm {
    [.prompt] as prompt
    [LlmService] as llmSvc
    [ChatModel] as model
    [PlantUML code] as puml2

    prompt --> llmSvc
    llmSvc --> model : API call
    model --> puml2 : réponse non-déterministe
}

note bottom of det
  Même entrée → même sortie
  Pas de latence réseau
  Pas de coût en tokens
  Reproductible en CI
end note

note bottom of llm
  Même entrée → sortie variable
  Latence réseau (1-5s)
  Coût en tokens
  Nécessite une clave API
end note

@enduml

Failed to generate image: PlantUML preprocessing failed: [From <input> (line 21) ]

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

package "EAGER\n(always charged)" as eager {
    [PROMPT_REPRISE.adoc\n(contexte session)] as pr
    [INDEX.adoc\n(vue d'ensemble)] as idx
    [GRAPH_REPORT.adoc\n(~50 lignes)] as gr
}

package "LAZY — Strategy\n(on request)" as lazy_strat {
    [Méthodologies] as meth
    [Archives sessions] as sessions
}

package "LAZY — Graphify\n(targeted queries)" as lazy_graph {
    [graph.json] as gj
    [Queries\n(query/path/explain)] as queries
}

package "Pipeline PlantUML
^^^^^
 Syntax Error? (Assumed diagram type: component)

@startuml
skinparam backgroundColor #FEFEFE
skinparam componentStyle rectangle

package "EAGER\n(always charged)" as eager {
    [PROMPT_REPRISE.adoc\n(contexte session)] as pr
    [INDEX.adoc\n(vue d'ensemble)] as idx
    [GRAPH_REPORT.adoc\n(~50 lignes)] as gr
}

package "LAZY — Strategy\n(on request)" as lazy_strat {
    [Méthodologies] as meth
    [Archives sessions] as sessions
}

package "LAZY — Graphify\n(targeted queries)" as lazy_graph {
    [graph.json] as gj
    [Queries\n(query/path/explain)] as queries
}

package "Pipeline PlantUML
(auto-generated)" as puml {
    [generateKnowledgeGraphDiagram] as kgTask
    [generateDiagramDocs] as ddTask
    [Diagrammes PNG] as diagrams
}

Agent --> eager : Lit en début de session
Agent ..> lazy_strat : Charge si type détecté
Agent ..> lazy_graph : Query si besoin structurel
kgTask --> diagrams : Déterministe
ddTask --> diagrams : Via LLM

note right of gr
  Condensé du Knowledge Graph
  God nodes + communautés
  Remplace ECOSYSTEM_OVERVIEW
  (225 lignes → 50 lignes)
end note

@enduml

# Script complet en 5 commandes
uv tool install graphifyy
cat > .graphifyignore << 'EOF'
*-context.yml
*.env
build/
.gradle/
EOF
graphify . --no-viz
./gradlew generateKnowledgeGraphDiagram
git add graphify-out/GRAPH_REPORT.adoc graphify-out/graph.json diagrams/knowledge-graph/

Failed to generate image: PlantUML preprocessing failed: [From <input> (line 6) ]

@startuml
skinparam backgroundColor #FEFEFE

rectangle "BEFORE" as avant {
    card "Hand-drawn diagrams
Always outdated
^^^^^
 Syntax Error? (Assumed diagram type: activity)

@startuml
skinparam backgroundColor #FEFEFE

rectangle "BEFORE" as avant {
    card "Hand-drawn diagrams
Always outdated
Nobody updates them" as av1 #FDEDEC
}

rectangle "after" as apres {
    card "Automatically generated diagrams
Always up to date with the code
Versioned in Git
Deterministic and reproducible" as ap1 #E8F8E8
}

avant --> apres : graphify . --no-viz\n+ ./gradlew generateKnowledgeGraphDiagram

@enduml