diff --git a/.claude/docs/working/PLANNING_EXERCISE_SUGGEST_CONTEXT.md b/.claude/docs/working/PLANNING_EXERCISE_SUGGEST_CONTEXT.md
index 7d3dbbe..bbce56c 100644
--- a/.claude/docs/working/PLANNING_EXERCISE_SUGGEST_CONTEXT.md
+++ b/.claude/docs/working/PLANNING_EXERCISE_SUGGEST_CONTEXT.md
@@ -172,7 +172,7 @@ score = w_ft * fulltext_rank
 
 Wenn `hits` leer oder Trainer wählt „Mit KI anlegen“:
 
-- Gleiches `context_summary` an `suggestExerciseAi` anhängen (Felder `planning_context_json` o. ä. — noch offen)
+- `planning_context` im Request-Body → `planning_context_json` in Übungs-Prompts (Migration **085**); Pfad-Builder + Picker ✅ **0.8.208**
 - Kurzbeschreibung optional leer (freier Vorschlag) oder aus Intent/Skizze
 
 ---
@@ -193,7 +193,7 @@ Wenn `hits` leer oder Trainer wählt „Mit KI anlegen“:
 | **C3** | Graph-Builder (Ziel → Pfad → speichern) | ✅ **0.8.185** |
 | **E** | Semantik-Schicht + Pfad-QA (Lücken/Brücken/LLM-QS) | ✅ **0.8.186** |
 | **E2** | Pfad-Neuordnung + KI-Lückenfüller | ✅ **0.8.187** |
-| **D** | Neu-Anlage: Pack an `suggestExerciseAi` | 🔲 |
+| **D** | Neu-Anlage: `planning_context` an `suggestExerciseAi` (Migration **085**) | ✅ **0.8.208** |
 
 ---
 
diff --git a/backend/ai_prompt_context.py b/backend/ai_prompt_context.py
index bd441b4..d3b34b6 100644
--- a/backend/ai_prompt_context.py
+++ b/backend/ai_prompt_context.py
@@ -5,7 +5,7 @@ Keine Imports aus exercise_ai — vermeidet Zirkelimporte mit ai_prompt_job / ex
 """
 from __future__ import annotations
 
-from typing import List, Optional, Sequence, Tuple
+from typing import Any, Dict, List, Optional, Sequence, Tuple
 
 from pydantic import BaseModel, Field
 
@@ -31,6 +31,7 @@ class ExerciseFormAiPromptContext(BaseModel):
     trainer_notes: Optional[str] = None
     focus_hint: Optional[str] = None
     focus_areas_context: Optional[List[ExerciseFormAiFocusRow]] = None
+    planning_context: Optional[Dict[str, Any]] = None
 
     def focus_area_tuples(self) -> Optional[List[Tuple[int, bool]]]:
         if not self.focus_areas_context:
@@ -57,6 +58,7 @@ class ExerciseFormAiPromptContext(BaseModel):
         trainer_notes: Optional[str] = None,
         focus_area_hint: Optional[str] = None,
         focus_areas_context: Optional[Sequence[ExerciseFormAiFocusRow]] = None,
+        planning_context: Optional[Dict[str, Any]] = None,
     ) -> ExerciseFormAiPromptContext:
         """Mappt Felder aus POST /exercises/ai/suggest (focus_area_hint → focus_hint)."""
         hint = (focus_area_hint or "").strip() or None
@@ -68,6 +70,7 @@ class ExerciseFormAiPromptContext(BaseModel):
             trainer_notes=trainer_notes,
             focus_hint=hint,
             focus_areas_context=list(focus_areas_context) if focus_areas_context else None,
+            planning_context=dict(planning_context) if planning_context else None,
         )
 
     @classmethod
diff --git a/backend/ai_prompt_job.py b/backend/ai_prompt_job.py
index 38074ba..f0595ca 100644
--- a/backend/ai_prompt_job.py
+++ b/backend/ai_prompt_job.py
@@ -23,6 +23,7 @@ def resolve_exercise_form_variables(cur, slug: str, ctx: ExerciseFormAiPromptCon
         focus_areas_context=ctx.focus_area_tuples(),
         preparation=ctx.preparation,
         trainer_notes=ctx.trainer_notes,
+        planning_context=ctx.planning_context,
     )
 
 
diff --git a/backend/exercise_ai.py b/backend/exercise_ai.py
index 5b1c73e..c744c9b 100644
--- a/backend/exercise_ai.py
+++ b/backend/exercise_ai.py
@@ -650,10 +650,13 @@ def build_exercise_placeholder_variables(
     focus_areas_context: Optional[Sequence[Tuple[int, bool]]],
     preparation: Optional[str] = None,
     trainer_notes: Optional[str] = None,
+    planning_context: Optional[Mapping[str, Any]] = None,
 ) -> Dict[str, str]:
     """
     Baut die Variable-Map fuer {{platzhalter}} passend zur Slug fuer Uebungs-KI.
     """
+    from planning_exercise_form_context import planning_context_prompt_variables
+
     s = (slug or "").strip().lower()
     if s == "pipeline":
         return {}
@@ -671,8 +674,19 @@ def build_exercise_placeholder_variables(
         "exercise_preparation": p_plain or "-",
         "exercise_trainer_notes": n_plain or "-",
     }
+    ctx.update(planning_context_prompt_variables(planning_context))
     if s == "exercise_summary":
-        return {k: ctx[k] for k in ("exercise_title", "exercise_focus_area", "exercise_goal", "exercise_execution")}
+        return {
+            k: ctx[k]
+            for k in (
+                "exercise_title",
+                "exercise_focus_area",
+                "exercise_goal",
+                "exercise_execution",
+                "planning_context_json",
+                "has_planning_context",
+            )
+        }
     if s == "exercise_instruction_rewrite":
         return ctx
     if s == "exercise_skill_suggestions":
@@ -893,6 +907,7 @@ def run_exercise_ai_suggestion(
                 execution=execution,
                 focus_area_hint=focus_area_hint,
                 focus_areas_context=focus_areas_context,
+                planning_context=form_ctx.planning_context,
             )
         except ValueError as e:
             raise HTTPException(status_code=500, detail=str(e)) from e
@@ -938,6 +953,7 @@ def run_exercise_ai_suggestion(
                 execution=execution,
                 focus_area_hint=focus_area_hint,
                 focus_areas_context=focus_areas_context,
+                planning_context=form_ctx.planning_context,
             )
         except ValueError as e:
             raise HTTPException(status_code=500, detail=str(e)) from e
@@ -1015,6 +1031,7 @@ def run_exercise_ai_suggestion(
                 trainer_notes=trainer_notes,
                 focus_area_hint=focus_area_hint,
                 focus_areas_context=focus_areas_context,
+                planning_context=form_ctx.planning_context,
             )
         except ValueError as e:
             raise HTTPException(status_code=500, detail=str(e)) from e
diff --git a/backend/migrations/085_ai_prompt_exercise_planning_context.sql b/backend/migrations/085_ai_prompt_exercise_planning_context.sql
new file mode 100644
index 0000000..0811729
--- /dev/null
+++ b/backend/migrations/085_ai_prompt_exercise_planning_context.sql
@@ -0,0 +1,181 @@
+-- Migration 085: Planungskontext in Übungs-KI-Prompts (Phase D)
+-- Platzhalter: {{planning_context_json}}, {{#has_planning_context}} … {{/has_planning_context}}
+
+UPDATE ai_prompts
+SET template = $s$Du bist Assistent fuer Kampfsport-Trainer.
+Erstelle eine kurze Kurzbeschreibung fuer Listen und Trainingsplaene.
+
+Anforderungen:
+- Hochstens etwa 200 Zeichen (bei Bedarf gekuerzt fuer Mobile)
+- Kern: Welche Trainingsqualitaeten? Wie fuehrt man die Uebung kurz aus?
+- Sachlich, auf Deutsch
+
+Uebung: {{exercise_title}}
+Fokuskontext: {{exercise_focus_area}}
+Ziel (Fliesstext, kann HTML sein): {{exercise_goal}}
+Durchfuehrung (Fliesstext, kann HTML sein): {{exercise_execution}}
+{{#has_planning_context}}
+Planungskontext (JSON — Einordnung in Trainingsplan oder Progressionspfad):
+{{planning_context_json}}
+{{/has_planning_context}}
+
+Antworte NUR mit der Kurzbeschreibung als einfachen Text (keine Markdown-Codeblocks, keine Anfuehrungszeichen um den ganzen Text).$s$,
+    default_template = $s$Du bist Assistent fuer Kampfsport-Trainer.
+Erstelle eine kurze Kurzbeschreibung fuer Listen und Trainingsplaene.
+
+Anforderungen:
+- Hochstens etwa 200 Zeichen (bei Bedarf gekuerzt fuer Mobile)
+- Kern: Welche Trainingsqualitaeten? Wie fuehrt man die Uebung kurz aus?
+- Sachlich, auf Deutsch
+
+Uebung: {{exercise_title}}
+Fokuskontext: {{exercise_focus_area}}
+Ziel (Fliesstext, kann HTML sein): {{exercise_goal}}
+Durchfuehrung (Fliesstext, kann HTML sein): {{exercise_execution}}
+{{#has_planning_context}}
+Planungskontext (JSON — Einordnung in Trainingsplan oder Progressionspfad):
+{{planning_context_json}}
+{{/has_planning_context}}
+
+Antworte NUR mit der Kurzbeschreibung als einfachen Text (keine Markdown-Codeblocks, keine Anfuehrungszeichen um den ganzen Text).$s$
+WHERE slug = 'exercise_summary';
+
+UPDATE ai_prompts
+SET template = $j$Du bist Assistent fuer Kampfsport-Trainer.
+Ordne diese Uebung dem globalen Skill-Katalog zu.
+
+Daten zur Uebung:
+Titel: {{exercise_title}}
+Fokuskontext (optional): {{exercise_focus_area}}
+Ziel (gekuerzt_plain): {{exercise_goal}}
+Durchfuehrung (gekuerzt_plain): {{exercise_execution}}
+{{#has_planning_context}}
+Planungskontext (JSON):
+{{planning_context_json}}
+{{/has_planning_context}}
+
+Verfuegbare Faehigkeiten (Auswahl NUR ueber diese IDs — keine anderen IDs verwenden):
+{{skills_catalog}}
+
+Waehle hoechstens 5 passende Skills. Für jede Faehigkeit:
+- skill_id: ganze Zahl aus der Liste
+- required_level: eines von basis, grundlagen, aufbau, fortgeschritten, optimierung
+- target_level: derselbe Wertvorrat
+- intensity: eines von niedrig, mittel, hoch
+- is_primary (optional): true fuer die Hauptfaehigkeit der Uebung, sondern false/weglassen
+
+Antworte NUR mit einem JSON-Array ohne Erklaertext, keine Markdown-Fences.
+
+Beispielformat:
+[{"skill_id": 1, "required_level": "grundlagen", "target_level": "aufbau", "intensity": "hoch", "is_primary": true}]
+
+Wenn nichts gut passt, antworte mit [].$j$,
+    default_template = $j$Du bist Assistent fuer Kampfsport-Trainer.
+Ordne diese Uebung dem globalen Skill-Katalog zu.
+
+Daten zur Uebung:
+Titel: {{exercise_title}}
+Fokuskontext (optional): {{exercise_focus_area}}
+Ziel (gekuerzt_plain): {{exercise_goal}}
+Durchfuehrung (gekuerzt_plain): {{exercise_execution}}
+{{#has_planning_context}}
+Planungskontext (JSON):
+{{planning_context_json}}
+{{/has_planning_context}}
+
+Verfuegbare Faehigkeiten (Auswahl NUR ueber diese IDs — keine anderen IDs verwenden):
+{{skills_catalog}}
+
+Waehle hoechstens 5 passende Skills. Für jede Faehigkeit:
+- skill_id: ganze Zahl aus der Liste
+- required_level: eines von basis, grundlagen, aufbau, fortgeschritten, optimierung
+- target_level: derselbe Wertvorrat
+- intensity: eines von niedrig, mittel, hoch
+- is_primary (optional): true fuer die Hauptfaehigkeit der Uebung, sondern false/weglassen
+
+Antworte NUR mit einem JSON-Array ohne Erklaertext, keine Markdown-Fences.
+
+Beispielformat:
+[{"skill_id": 1, "required_level": "grundlagen", "target_level": "aufbau", "intensity": "hoch", "is_primary": true}]
+
+Wenn nichts gut passt, antworte mit [].$j$
+WHERE slug = 'exercise_skill_suggestions';
+
+UPDATE ai_prompts
+SET template = $t$Du bist Assistent fuer Kampfsport-Trainer.
+Ueberarbeite die Anleitung dieser Uebung: verbessere Formulierung, ergaenze fehlende Kernpunkte, kuerze ueberfluessige Passagen.
+Wichtig: Texte sollen praezise und nachvollziehbar bleiben — keine Fuellsaetze, keine Wiederholungen, kein Marketing.
+
+Stil:
+- Deutsch, sachlich, direkt an Trainer gerichtet (Durchfuehrung: Imperativ oder klare Schritte)
+- Ziel: 1–3 kurze Absaetze (Kern des Trainingsziels)
+- Durchfuehrung: klare Schritte (nummerierte Liste oder kurze Absaetze)
+- Vorbereitung/Aufbau: nur wenn noetig (Raum, Material, Aufbau) — sonst leerer String
+- Trainer-Hinweise: Sicherheit, typische Fehler, Coaching-Tipps — knapp, Stichpunkte oder kurze Absaetze
+
+Format (HTML fuer Rich-Text-Editor):
+- Erlaubt: <p>, <ul>, <ol>, <li>, <strong>, <em>, <br>
+- Keine Ueberschriften (h1–h6), keine Tabellen, kein Markdown, keine Code-Fences
+- Medienverweise {{exerciseMedia:ID}} aus den Eingabetexten UNVERAENDERT an passender Stelle uebernehmen
+
+Eingabe:
+Titel: {{exercise_title}}
+Fokuskontext: {{exercise_focus_area}}
+
+Ziel (Plaintext, Ausgang): {{exercise_goal}}
+Durchfuehrung (Plaintext, Ausgang): {{exercise_execution}}
+Vorbereitung/Aufbau (Plaintext, Ausgang): {{exercise_preparation}}
+Trainer-Hinweise (Plaintext, Ausgang): {{exercise_trainer_notes}}
+{{#has_planning_context}}
+Planungskontext (JSON):
+{{planning_context_json}}
+{{/has_planning_context}}
+
+Antworte NUR mit einem JSON-Objekt (kein Text davor/danach):
+{
+  "goal": "<p>…</p>",
+  "execution": "<ol><li>…</li></ol>",
+  "preparation": "<p>…</p> oder \"\"",
+  "trainer_notes": "<ul><li>…</li></ul> oder \"\""
+}
+
+Leere Felder als leerer String "" wenn nichts Sinnvolles ergibt.$t$,
+    default_template = $t$Du bist Assistent fuer Kampfsport-Trainer.
+Ueberarbeite die Anleitung dieser Uebung: verbessere Formulierung, ergaenze fehlende Kernpunkte, kuerze ueberfluessige Passagen.
+Wichtig: Texte sollen praezise und nachvollziehbar bleiben — keine Fuellsaetze, keine Wiederholungen, kein Marketing.
+
+Stil:
+- Deutsch, sachlich, direkt an Trainer gerichtet (Durchfuehrung: Imperativ oder klare Schritte)
+- Ziel: 1–3 kurze Absaetze (Kern des Trainingsziels)
+- Durchfuehrung: klare Schritte (nummerierte Liste oder kurze Absaetze)
+- Vorbereitung/Aufbau: nur wenn noetig (Raum, Material, Aufbau) — sonst leerer String
+- Trainer-Hinweise: Sicherheit, typische Fehler, Coaching-Tipps — knapp, Stichpunkte oder kurze Absaetze
+
+Format (HTML fuer Rich-Text-Editor):
+- Erlaubt: <p>, <ul>, <ol>, <li>, <strong>, <em>, <br>
+- Keine Ueberschriften (h1–h6), keine Tabellen, kein Markdown, keine Code-Fences
+- Medienverweise {{exerciseMedia:ID}} aus den Eingabetexten UNVERAENDERT an passender Stelle uebernehmen
+
+Eingabe:
+Titel: {{exercise_title}}
+Fokuskontext: {{exercise_focus_area}}
+
+Ziel (Plaintext, Ausgang): {{exercise_goal}}
+Durchfuehrung (Plaintext, Ausgang): {{exercise_execution}}
+Vorbereitung/Aufbau (Plaintext, Ausgang): {{exercise_preparation}}
+Trainer-Hinweise (Plaintext, Ausgang): {{exercise_trainer_notes}}
+{{#has_planning_context}}
+Planungskontext (JSON):
+{{planning_context_json}}
+{{/has_planning_context}}
+
+Antworte NUR mit einem JSON-Objekt (kein Text davor/danach):
+{
+  "goal": "<p>…</p>",
+  "execution": "<ol><li>…</li></ol>",
+  "preparation": "<p>…</p> oder \"\"",
+  "trainer_notes": "<ul><li>…</li></ul> oder \"\""
+}
+
+Leere Felder als leerer String "" wenn nichts Sinnvolles ergibt.$t$
+WHERE slug = 'exercise_instruction_rewrite';
diff --git a/backend/planning_exercise_form_context.py b/backend/planning_exercise_form_context.py
new file mode 100644
index 0000000..7e6bac0
--- /dev/null
+++ b/backend/planning_exercise_form_context.py
@@ -0,0 +1,138 @@
+"""
+Planungs-KI Phase D: strukturierter Planungskontext für POST /exercises/ai/suggest.
+
+Wird als ``planning_context_json`` in Übungs-Prompts (summary, skills, instructions) injiziert.
+"""
+from __future__ import annotations
+
+import json
+from typing import Any, Dict, Mapping, Optional
+
+_MAX_JSON_CHARS = 6000
+_MAX_STRING = 800
+
+
+def compact_planning_context_json(obj: Any) -> str:
+    return json.dumps(obj, ensure_ascii=False, separators=(",", ":"))
+
+
+def _trim_str(val: Any, *, limit: int = _MAX_STRING) -> Optional[str]:
+    if val is None:
+        return None
+    s = str(val).strip()
+    if not s:
+        return None
+    if len(s) > limit:
+        return s[: limit - 1] + "…"
+    return s
+
+
+def sanitize_planning_context_for_ai(ctx: Optional[Mapping[str, Any]]) -> Dict[str, Any]:
+    """Reduziert Client-Payload auf prompt-taugliche, begrenzte Felder."""
+    if not ctx:
+        return {}
+    out: Dict[str, Any] = {}
+    for key, val in dict(ctx).items():
+        if val is None:
+            continue
+        k = str(key).strip()
+        if not k:
+            continue
+        if isinstance(val, str):
+            t = _trim_str(val)
+            if t:
+                out[k] = t
+        elif isinstance(val, (int, float, bool)):
+            out[k] = val
+        elif isinstance(val, list):
+            items = []
+            for item in val[:12]:
+                if isinstance(item, str):
+                    t = _trim_str(item, limit=200)
+                    if t:
+                        items.append(t)
+                elif isinstance(item, (int, float, bool)):
+                    items.append(item)
+                elif isinstance(item, dict):
+                    sub = sanitize_planning_context_for_ai(item)
+                    if sub:
+                        items.append(sub)
+            if items:
+                out[k] = items
+        elif isinstance(val, dict):
+            sub = sanitize_planning_context_for_ai(val)
+            if sub:
+                out[k] = sub
+    raw = compact_planning_context_json(out)
+    if len(raw) > _MAX_JSON_CHARS:
+        out["truncated"] = True
+        out.pop("path_steps_preview", None)
+        raw = compact_planning_context_json(out)
+    if len(raw) > _MAX_JSON_CHARS:
+        return {"source": out.get("source"), "truncated": True, "goal_query": out.get("goal_query")}
+    return out
+
+
+def planning_context_prompt_variables(
+    planning_context: Optional[Mapping[str, Any]],
+) -> Dict[str, str]:
+    cleaned = sanitize_planning_context_for_ai(planning_context)
+    if not cleaned:
+        return {"planning_context_json": "-", "has_planning_context": ""}
+    return {
+        "planning_context_json": compact_planning_context_json(cleaned),
+        "has_planning_context": "true",
+    }
+
+
+def build_progression_path_gap_planning_context(
+    *,
+    goal_query: str,
+    primary_topic: Optional[str] = None,
+    progression_graph_id: Optional[int] = None,
+    offer: Optional[Mapping[str, Any]] = None,
+    neighbor_before: Optional[Mapping[str, Any]] = None,
+    neighbor_after: Optional[Mapping[str, Any]] = None,
+    path_step_count: int = 0,
+    major_step_count: Optional[int] = None,
+    roadmap_phase: Optional[str] = None,
+    roadmap_learning_goal: Optional[str] = None,
+) -> Dict[str, Any]:
+    """Kontext für KI-Neuanlage aus Progressionsgraph-Pfad-Lücke."""
+    offer = offer or {}
+    gap = offer.get("gap") if isinstance(offer.get("gap"), dict) else {}
+    major_idx = offer.get("roadmap_major_step_index")
+    if major_idx is None and isinstance(gap, dict):
+        major_idx = gap.get("roadmap_major_step_index")
+
+    ctx: Dict[str, Any] = {
+        "source": "progression_path_gap_fill",
+        "goal_query": _trim_str(goal_query, limit=2000),
+        "primary_topic": _trim_str(primary_topic),
+        "progression_graph_id": progression_graph_id,
+        "gap_source": _trim_str(offer.get("source")),
+        "gap_phase": _trim_str(offer.get("phase") or gap.get("expected_phase")),
+        "roadmap_major_step_index": major_idx,
+        "roadmap_phase": _trim_str(roadmap_phase or offer.get("phase")),
+        "roadmap_learning_goal": _trim_str(
+            roadmap_learning_goal or offer.get("title_hint") or gap.get("learning_goal"),
+            limit=1200,
+        ),
+        "neighbor_before_title": _trim_str(
+            (neighbor_before or {}).get("title") or offer.get("from_title")
+        ),
+        "neighbor_after_title": _trim_str(
+            (neighbor_after or {}).get("title") or offer.get("to_title")
+        ),
+        "path_step_count": path_step_count,
+        "major_step_count": major_step_count,
+    }
+    return sanitize_planning_context_for_ai(ctx)
+
+
+__all__ = [
+    "build_progression_path_gap_planning_context",
+    "compact_planning_context_json",
+    "planning_context_prompt_variables",
+    "sanitize_planning_context_for_ai",
+]
diff --git a/backend/routers/exercises.py b/backend/routers/exercises.py
index 9941ce2..e86e005 100644
--- a/backend/routers/exercises.py
+++ b/backend/routers/exercises.py
@@ -385,6 +385,10 @@ class ExerciseAiSuggestBody(BaseModel):
     include_summary: bool = True
     include_skills: bool = True
     include_instructions: bool = False
+    planning_context: Optional[dict] = Field(
+        default=None,
+        description="Optionaler Planungskontext (Einheit, Pfad, Roadmap-Stufe) für KI-Neuanlage",
+    )
 
     @model_validator(mode="after")
     def check_include_any(self):
@@ -403,6 +407,7 @@ class ExerciseAiSuggestBody(BaseModel):
             trainer_notes=self.trainer_notes,
             focus_area_hint=self.focus_area_hint,
             focus_areas_context=self.focus_areas_context,
+            planning_context=self.planning_context,
         )
 
 
diff --git a/backend/tests/test_planning_exercise_form_context.py b/backend/tests/test_planning_exercise_form_context.py
new file mode 100644
index 0000000..1cb6ebd
--- /dev/null
+++ b/backend/tests/test_planning_exercise_form_context.py
@@ -0,0 +1,46 @@
+"""Tests Planungs-KI Phase D — planning_context für suggestExerciseAi."""
+from planning_exercise_form_context import (
+    build_progression_path_gap_planning_context,
+    planning_context_prompt_variables,
+    sanitize_planning_context_for_ai,
+)
+
+
+def test_planning_context_prompt_variables_empty():
+    vars_ = planning_context_prompt_variables(None)
+    assert vars_["planning_context_json"] == "-"
+    assert vars_["has_planning_context"] == ""
+
+
+def test_planning_context_prompt_variables_with_data():
+    vars_ = planning_context_prompt_variables({"source": "test", "goal_query": "Mae Geri"})
+    assert vars_["has_planning_context"] == "true"
+    assert "Mae Geri" in vars_["planning_context_json"]
+
+
+def test_build_progression_path_gap_context():
+    ctx = build_progression_path_gap_planning_context(
+        goal_query="Mae Geri Perfektion",
+        primary_topic="Mae Geri",
+        progression_graph_id=3,
+        offer={
+            "source": "roadmap_unfilled",
+            "phase": "vertiefung",
+            "title_hint": "Koordination Mae Geri",
+            "roadmap_major_step_index": 2,
+            "from_title": "Schritt A",
+            "to_title": "Schritt B",
+        },
+        neighbor_before={"title": "Schritt A"},
+        neighbor_after={"title": "Schritt B"},
+        path_step_count=4,
+        major_step_count=5,
+    )
+    assert ctx["source"] == "progression_path_gap_fill"
+    assert ctx["roadmap_major_step_index"] == 2
+    assert ctx["neighbor_before_title"] == "Schritt A"
+
+
+def test_sanitize_truncates_long_strings():
+    ctx = sanitize_planning_context_for_ai({"goal_query": "x" * 900})
+    assert len(ctx["goal_query"]) <= 800
diff --git a/backend/version.py b/backend/version.py
index 9ae3136..919529e 100644
--- a/backend/version.py
+++ b/backend/version.py
@@ -1,6 +1,6 @@
 # Shinkan Jinkendo Version Information
 
-APP_VERSION = "0.8.207"
+APP_VERSION = "0.8.208"
 BUILD_DATE = "2026-06-07"
 DB_SCHEMA_VERSION = "20260606086"
 
@@ -38,7 +38,7 @@ MODULE_VERSIONS = {
     "skill_profiles": "1.0.0",  # Phase 3: gewichtetes Fähigkeiten-Profil + skill-discovery/suggestions
     "methods": "0.1.0",
     "exercises": "2.37.1",  # KI-Endpoints: feature_usage nach ai_calls consume
-    "planning_exercise_suggest": "0.19.0",  # F4: roadmap_only + roadmap_override, editierbare Roadmap-UI
+    "planning_exercise_suggest": "0.20.0",  # Phase D: planning_context an suggestExerciseAi
     "training_units": "0.4.0",  # POST .../publish-to-framework: Ablauf aus geplanter Einheit → Rahmen-Slot-Blueprint
     "training_programs": "0.1.0",
     "planning": "0.15.0",  # Vorlagen: Strukturvorschau, Bearbeiten inkl. Split-Sessions + Beschreibung
@@ -53,6 +53,15 @@ MODULE_VERSIONS = {
 }
 
 CHANGELOG = [
+    {
+        "version": "0.8.208",
+        "date": "2026-06-07",
+        "changes": [
+            "Phase D: planning_context an POST /exercises/ai/suggest — Prompts Migration 085.",
+            "Pfad-Builder + Planungs-Picker senden strukturierten Planungskontext bei KI-Neuanlage.",
+            "Modul planning_exercise_form_context.py; Platzhalter planning_context_json in Übungs-Prompts.",
+        ],
+    },
     {
         "version": "0.8.207",
         "date": "2026-06-07",
diff --git a/docs/HANDOVER.md b/docs/HANDOVER.md
index 84593e1..35c6322 100644
--- a/docs/HANDOVER.md
+++ b/docs/HANDOVER.md
@@ -1,7 +1,7 @@
 # Shinkan Jinkendo – Entwicklungsstand & Handover
 
 **Stand:** 2026-06-07  
-**App-Version / DB-Schema:** App **`0.8.207`** (Planungs-KI Phase F4); DB **`20260606086`** — maßgeblich **`backend/version.py`**.
+**App-Version / DB-Schema:** App **`0.8.208`** (Planungs-KI Phase D); DB **`20260606086`** — maßgeblich **`backend/version.py`**.
 
 Diese Datei ist die **Einstiegs-Doku für neue Chat-Sessions**: Anforderungen im Detail stehen in `.claude/docs/` (siehe unten); hier der **implementierte Stand**, **Medien-Meilenstein** und **sinnvolle nächste Schritte**.
 
@@ -110,7 +110,7 @@ Das Schema ist gegenüber dem Code zurück: Migration **`022_skills_schema_compl
 | **F0–F2** | Roadmap-Pipeline + LLM-Prompts (078/079) | ✅ **0.8.205** |
 | **F3** | `roadmap_first` — Retrieval pro `stage_spec` | ✅ **0.8.206** |
 | **F4** | Roadmap-Review UI + `roadmap_override` | ✅ **0.8.207** |
-| **D** | `planning_context` an `suggestExerciseAi` (Neu-Anlage) | 🔲 |
+| **D** | `planning_context` an `suggestExerciseAi` (Neu-Anlage) | ✅ **0.8.208** |
 
 **Architektur-Entscheidung (2026-06-07):** Progressionsgraph = **Roadmap-first** (Ziel → Major Steps → Übungs-Match). **Keine Gruppenanalyse** im Graphen. Mitai Workflow-Engine **später** — jetzt `planning_progression_roadmap.py`. Spec: **`.claude/docs/working/PLANNING_PROGRESSION_ROADMAP_SPEC.md`** · Roadmap: **`docs/architecture/PLANNING_KI_ROADMAP.md`**
 
diff --git a/docs/architecture/PLANNING_KI_ROADMAP.md b/docs/architecture/PLANNING_KI_ROADMAP.md
index 5e68101..dd19042 100644
--- a/docs/architecture/PLANNING_KI_ROADMAP.md
+++ b/docs/architecture/PLANNING_KI_ROADMAP.md
@@ -28,7 +28,7 @@ Diese Roadmap ergänzt die **Architektur-Refaktor-Roadmap** (`UMSETZUNGSPLAN_ROA
 | E–E3 | Progressionsgraph | Semantik, QA, Lücken-Angebote | ✅ |
 | **F0–F1** | Progressionsgraph | Roadmap-Pipeline Scaffold + API-Preview | 🔄 **0.8.204** |
 | **F2–F4** | Progressionsgraph | LLM Roadmap, roadmap-first Retrieval, UI Review | 🔲 |
-| D | Übungs-Neuanlage | `planning_context` an `suggestExerciseAi` | 🔲 |
+| D | Übungs-Neuanlage | `planning_context` an `suggestExerciseAi` | ✅ **0.8.208** |
 | G | Trainingsplanung | Kontext-Pack Gruppe/Historie, S0–S4 | 🔲 |
 | H | Plattform | Mitai-Workflow-Engine (optional) | 🔲 Backlog |
 
diff --git a/frontend/src/components/ExercisePickerModal.jsx b/frontend/src/components/ExercisePickerModal.jsx
index 2a244d9..8239fba 100644
--- a/frontend/src/components/ExercisePickerModal.jsx
+++ b/frontend/src/components/ExercisePickerModal.jsx
@@ -26,6 +26,7 @@ import {
   aiPreviewToQuickCreateDraft,
 } from '../utils/exerciseAiQuickCreate'
 import { resolveExercisePickVariantId } from '../utils/exercisePlanningPick'
+import { buildPickerPlanningContextForAi } from '../utils/planningContextForExerciseAi'
 
 const PAGE_SIZE = 100
 /** Backend POST /api/planning/exercise-suggest erlaubt max. 50 */
@@ -707,6 +708,12 @@ export default function ExercisePickerModal({
 
     setQuickAiError('')
     setQuickCreateDraft(null)
+    const planningContextPayload = buildPickerPlanningContextForAi({
+      planningContextSummary,
+      planningContext,
+      searchQuery: planningSubmittedQuery || searchInput || aiSearchInput,
+    })
+
     setQuickSaving(true)
     try {
       const aiRes = await api.suggestExerciseAi({
@@ -717,6 +724,7 @@ export default function ExercisePickerModal({
         trainer_notes: '',
         focus_area_hint: focusHint || undefined,
         focus_areas_context: [{ focus_area_id: focusId, is_primary: true }],
+        planning_context: planningContextPayload || undefined,
         include_summary: true,
         include_skills: true,
         include_instructions: true,
diff --git a/frontend/src/components/ExerciseProgressionPathBuilder.jsx b/frontend/src/components/ExerciseProgressionPathBuilder.jsx
index 68ddc0d..4082596 100644
--- a/frontend/src/components/ExerciseProgressionPathBuilder.jsx
+++ b/frontend/src/components/ExerciseProgressionPathBuilder.jsx
@@ -10,6 +10,7 @@ import {
   buildQuickCreateAiPreview,
   buildQuickCreateExercisePayloadFromDraft,
 } from '../utils/exerciseAiQuickCreate'
+import { buildPathGapPlanningContextForAi } from '../utils/planningContextForExerciseAi'
 
 function emptyPathStep() {
   return { exerciseId: null, exerciseTitle: '', variantId: null, variants: [], reasons: [] }
@@ -354,6 +355,15 @@ export default function ExerciseProgressionPathBuilder({
     setQuickCreateDraft(null)
     setQuickSaving(true)
     setGeneratingOfferId(offer?.offer_id || null)
+    const planningContext = buildPathGapPlanningContextForAi({
+      goalQuery,
+      semanticBrief,
+      offer,
+      graphId,
+      pathSteps,
+      editableMajorSteps,
+      progressionRoadmap,
+    })
     try {
       const aiRes = await api.suggestExerciseAi({
         title,
@@ -363,6 +373,7 @@ export default function ExerciseProgressionPathBuilder({
         trainer_notes: '',
         focus_area_hint: focusHint || undefined,
         focus_areas_context: [{ focus_area_id: focusId, is_primary: true }],
+        planning_context: planningContext || undefined,
         include_summary: true,
         include_skills: true,
         include_instructions: true,
diff --git a/frontend/src/utils/planningContextForExerciseAi.js b/frontend/src/utils/planningContextForExerciseAi.js
new file mode 100644
index 0000000..e8b96b6
--- /dev/null
+++ b/frontend/src/utils/planningContextForExerciseAi.js
@@ -0,0 +1,75 @@
+/**
+ * Planungs-KI Phase D: strukturierter Kontext für suggestExerciseAi.
+ */
+
+export function buildPickerPlanningContextForAi({
+  planningContextSummary = null,
+  planningContext = null,
+  searchQuery = '',
+} = {}) {
+  if (!planningContextSummary && !planningContext) return null
+  const ctx = {
+    source: 'planning_picker',
+    search_query: (searchQuery || '').trim() || null,
+    unit_title: planningContextSummary?.unit_title || null,
+    group_name: planningContextSummary?.group_name || null,
+    section_title:
+      planningContextSummary?.section_title || planningContext?.sectionTitle || null,
+    section_guidance_notes: planningContext?.sectionGuidanceNotes || null,
+    section_exercise_count: planningContextSummary?.section_exercise_count ?? null,
+    last_section_exercise_title:
+      planningContextSummary?.last_section_exercise_title ||
+      planningContext?.lastExerciseTitle ||
+      null,
+    anchor_title: planningContextSummary?.anchor_title || null,
+    progression_graph_name: planningContextSummary?.progression_graph_name || null,
+    planned_count: planningContextSummary?.planned_count ?? null,
+    intent_resolved:
+      planningContextSummary?.intent_resolved || planningContext?.intentHint || null,
+  }
+  return Object.fromEntries(Object.entries(ctx).filter(([, v]) => v != null && v !== ''))
+}
+
+export function buildPathGapPlanningContextForAi({
+  goalQuery = '',
+  semanticBrief = null,
+  offer = null,
+  graphId = null,
+  pathSteps = [],
+  editableMajorSteps = [],
+  progressionRoadmap = null,
+} = {}) {
+  const afterIdx = Number(offer?.insert_after_index)
+  const stepA = Number.isFinite(afterIdx) && afterIdx >= 0 ? pathSteps[afterIdx] : null
+  const stepB =
+    Number.isFinite(afterIdx) && afterIdx >= 0 ? pathSteps[afterIdx + 1] : null
+  const majorIdxRaw =
+    offer?.roadmap_major_step_index ?? offer?.gap?.roadmap_major_step_index
+  const majorIdx =
+    majorIdxRaw != null && Number.isFinite(Number(majorIdxRaw)) ? Number(majorIdxRaw) : null
+  const majorStep =
+    majorIdx != null && editableMajorSteps[majorIdx] ? editableMajorSteps[majorIdx] : null
+
+  const ctx = {
+    source: 'progression_path_gap_fill',
+    goal_query: (goalQuery || '').trim() || null,
+    primary_topic: semanticBrief?.primary_topic || null,
+    progression_graph_id: graphId != null ? Number(graphId) : null,
+    gap_source: offer?.source || null,
+    gap_phase: offer?.phase || offer?.gap?.expected_phase || null,
+    roadmap_major_step_index: majorIdx,
+    roadmap_phase: majorStep?.phase || offer?.phase || null,
+    roadmap_learning_goal:
+      (majorStep?.learning_goal || offer?.title_hint || offer?.gap?.learning_goal || '').trim() ||
+      null,
+    neighbor_before_title: stepA?.exerciseTitle || offer?.from_title || null,
+    neighbor_after_title: stepB?.exerciseTitle || offer?.to_title || null,
+    path_step_count: Array.isArray(pathSteps) ? pathSteps.length : 0,
+    major_step_count:
+      editableMajorSteps?.length ||
+      progressionRoadmap?.major_step_count ||
+      progressionRoadmap?.roadmap?.major_steps?.length ||
+      null,
+  }
+  return Object.fromEntries(Object.entries(ctx).filter(([, v]) => v != null && v !== ''))
+}